TWI676518B - Laser scanning method - Google Patents
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- TWI676518B TWI676518B TW107101276A TW107101276A TWI676518B TW I676518 B TWI676518 B TW I676518B TW 107101276 A TW107101276 A TW 107101276A TW 107101276 A TW107101276 A TW 107101276A TW I676518 B TWI676518 B TW I676518B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/02—Positioning or observing the workpiece, e.g. with respect to the point of impact; Aligning, aiming or focusing the laser beam
- B23K26/06—Shaping the laser beam, e.g. by masks or multi-focusing
- B23K26/062—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam
- B23K26/0622—Shaping the laser beam, e.g. by masks or multi-focusing by direct control of the laser beam by shaping pulses
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/0093—Working by laser beam, e.g. welding, cutting or boring combined with mechanical machining or metal-working covered by other subclasses than B23K
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/08—Devices involving relative movement between laser beam and workpiece
- B23K26/082—Scanning systems, i.e. devices involving movement of the laser beam relative to the laser head
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/362—Laser etching
- B23K26/364—Laser etching for making a groove or trench, e.g. for scribing a break initiation groove
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K26/00—Working by laser beam, e.g. welding, cutting or boring
- B23K26/36—Removing material
- B23K26/40—Removing material taking account of the properties of the material involved
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C45/14311—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles using means for bonding the coating to the articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/02—Iron or ferrous alloys
- B23K2103/04—Steel or steel alloys
- B23K2103/05—Stainless steel
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/10—Aluminium or alloys thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/12—Copper or alloys thereof
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/08—Non-ferrous metals or alloys
- B23K2103/15—Magnesium or alloys thereof
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/16—Composite materials, e.g. fibre reinforced
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/18—Dissimilar materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/30—Organic material
- B23K2103/42—Plastics
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
- B23K—SOLDERING OR UNSOLDERING; WELDING; CLADDING OR PLATING BY SOLDERING OR WELDING; CUTTING BY APPLYING HEAT LOCALLY, e.g. FLAME CUTTING; WORKING BY LASER BEAM
- B23K2103/00—Materials to be soldered, welded or cut
- B23K2103/50—Inorganic material, e.g. metals, not provided for in B23K2103/02 – B23K2103/26
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
- B29C45/14—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor incorporating preformed parts or layers, e.g. injection moulding around inserts or for coating articles
- B29C2045/1486—Details, accessories and auxiliary operations
- B29C2045/14868—Pretreatment of the insert, e.g. etching, cleaning
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
- B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts
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- Physics & Mathematics (AREA)
- Engineering & Computer Science (AREA)
- Optics & Photonics (AREA)
- Mechanical Engineering (AREA)
- Plasma & Fusion (AREA)
- Manufacturing & Machinery (AREA)
- Injection Moulding Of Plastics Or The Like (AREA)
- Laser Beam Processing (AREA)
Abstract
本發明提供一種可提高接合強度的複合成形體之製造方法。一種複合成形體之製造方法,其係金屬成形體與樹脂成形體接合而成的複合成形體之製造方法,其具有:第1步驟,其係對前述金屬成形體之接合面,照射雷射點徑10~200μm之範圍的雷射光而形成溝,形成直徑為20~1000μm之圓形或與其同面積範圍的一區域之步驟,藉由1次掃描連結雷射照射的起始點與終點而形成溝,並予以重複複數次掃描,而形成由溝所包圍的一區域;第2步驟,重複前述第1步驟,而形成由溝所包圍的複數個區域;第3步驟,將包含形成有由前述溝所包圍的區域的金屬成形體接合面的部分配置於模具內,而將成為前述樹脂成形體的樹脂嵌入成形。 The present invention provides a method for manufacturing a composite formed body capable of improving joint strength. A method for manufacturing a composite molded body, which is a method for manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, comprising: a first step of irradiating a laser point on a joint surface of the metal molded body; The step of forming a groove with laser light having a diameter of 10 to 200 μm, forming a circle with a diameter of 20 to 1000 μm, or an area within the same area range, is formed by connecting the starting point and the end point of laser irradiation with one scan. The trench is repeatedly scanned a plurality of times to form an area surrounded by the trench. The second step is to repeat the first step described above to form a plurality of regions surrounded by the trench. The third step includes forming a region surrounded by the foregoing. The part of the metal-molded body joint surface in the area surrounded by the groove is placed in the mold, and the resin to be the resin-molded body is insert-molded.
Description
本發明係關於包含金屬成形體與樹脂成形體的複合成形體之製造方法。 The present invention relates to a method for producing a composite molded article including a metal molded article and a resin molded article.
基於各種零件之輕量化觀點,作為金屬替代品係使用樹脂成形體,惟亦多有難以將所有的金屬零件以樹脂取代的情況。在此種情況下,考慮藉由將金屬成形體與樹脂成形體接合成一體來製造新的複合零件。 From the viewpoint of weight reduction of various parts, resin moldings are used as metal substitutes, but it is often difficult to replace all metal parts with resin. In this case, it is considered to manufacture a new composite part by joining together a metal molded body and a resin molded body.
然而,可將金屬成形體與樹脂成形體以工業上有利的方法並以高接合強度接合成一體的技術,尚未實用化。 However, a technology capable of joining a metal formed body and a resin formed body in an industrially advantageous method with high bonding strength has not yet been put into practical use.
日本專利第4020957號公報記載一種供以與不同種材料(樹脂)接合的金屬表面之雷射加工方法之發明,其包含:對金屬表面,沿一掃描方向進行雷射掃描之步驟;及沿與其交叉之掃描方向進行雷射掃描之步驟。 Japanese Patent No. 4020957 describes an invention of a laser processing method for a metal surface bonded to a different material (resin), which includes the steps of performing laser scanning on a metal surface in a scanning direction; and Steps of laser scanning in the cross scanning direction.
日本特開2010-167475號公報揭示一種在日本專利第4020957號公報之發明中,進一步重疊性地進行雷射掃描複數次的雷射加工方法之發明。 Japanese Patent Application Laid-Open No. 2010-167475 discloses an invention of a laser processing method in which the laser scanning is performed a plurality of times in a superimposed manner in the invention of Japanese Patent No. 4020957.
然而,日本專利第4020957號公報、日本特開2010-167475號公報之發明必須對交叉的兩方向進行雷射掃描,因此,在耗費過長加工時間方面尚有改善之空間。 However, the inventions of Japanese Patent No. 4020957 and Japanese Patent Application Laid-Open No. 2010-167475 must perform laser scanning in two directions crossing each other, so there is still room for improvement in terms of consuming excessive processing time.
再者認為,由於朝交叉方向進行雷射掃描可實施充分的表面粗化處理,故可提高接合強度,但存有以下問題:表面粗糙度狀態不均勻,而有金屬與樹脂之接合部分的強度的方向性不穩定之虞。 Furthermore, it is considered that the laser scanning in the cross direction can perform sufficient surface roughening treatment, so that the joint strength can be improved, but there are problems such as uneven surface roughness and the strength of the joint between metal and resin. Orientation may be unstable.
例如,會有一接合體其朝X軸方向的剪切力或拉伸強度為最高,但另一接合體其朝與X軸方向相異之Y軸方向的剪切力或拉伸強度為最高,且又一接合體其朝與X軸及Y軸方向相異之Z軸方向的剪切力或拉伸強度為最高的問題發生之虞。 For example, one joint has the highest shear or tensile strength in the X-axis direction, but the other joint has the highest shear or tensile strength in the Y-axis direction, which is different from the X-axis direction. In addition, another problem that the shear force or tensile strength in the Z-axis direction which is different from the X-axis and Y-axis directions is the highest may occur.
雖視製品(例如朝一方向之旋轉體零件或朝-方向之往復運動零件)而會有要求朝特定方向具有高接合強度的金屬與樹脂之複合體的情況,惟日本專利第4020957號公報、日本特開2010-167475號公報之發明並無法充分因應前述之要求。 Although depending on the product (such as a rotating body part in one direction or a reciprocating part in the-direction), there may be a case where a metal and resin composite body having high joint strength in a specific direction is required. However, Japanese Patent No. 4020957, Japan, The invention of Japanese Patent Application Laid-Open No. 2010-167475 cannot sufficiently meet the aforementioned requirements.
又,在接合面呈複雜形狀或呈包含寬度較細之部分的形狀的情況(例如星形、三角形、啞鈴型),據認為沿交叉方向進行雷射掃描之方法,會使表面粗化處理一部分變得不均勻,結果會無法獲得充分的接合強度。 In addition, in the case where the joint surface has a complex shape or a shape including a thinner width portion (for example, a star shape, a triangle shape, or a dumbbell shape), it is considered that the method of performing laser scanning along the crossing direction may roughen a part of the surface. It becomes uneven, and as a result, sufficient bonding strength cannot be obtained.
日本特開平10-294024號公報記載一種對金屬表面照射雷射光而形成凹凸,並對凹凸形成部位射出成形樹脂、橡膠等的電氣電子零件之製造方法。 Japanese Patent Application Laid-Open No. 10-294024 discloses a method for manufacturing electrical and electronic parts in which irregularities are formed by irradiating a metal surface with laser light, and molding resin, rubber, and the like are projected at the irregularity forming portions.
在其實施形態1~3中記載,對金屬長尺寸線圈表面進行雷射照射而形成凹凸。而且,於段落編號10記載,將金屬長尺寸線圈表面粗化成條帶狀或緞紋狀;於段落編號19記載,將金屬長尺寸線圈表面粗化成條帶狀、虛線狀、波線狀、滾紋狀、緞紋狀。 In Embodiments 1 to 3, it is described that the surface of the metal long-sized coil is irradiated with laser light to form irregularities. In paragraph number 10, the surface of the long metal coil is roughened into a stripe or satin pattern. In paragraph number 19, the surface of the long metal coil is roughened into a stripe, a dotted line, a wavy line, and a knurl. Shape, satin-like.
然而,如其段落編號21、22之發明之效果所記載,進行雷射照射之目的係為了在金屬表面形成微細且不規則的凹凸,藉此來提高定準效應。特別是因其處理對象為金屬長尺寸線圈,因此認為,無論在形成何種凹凸的情況下,均必然會形成微細且不規則的凹凸。 However, as described in the effects of the inventions of paragraphs 21 and 22, the purpose of laser irradiation is to form fine and irregular irregularities on the metal surface, thereby improving the alignment effect. In particular, since the object to be processed is a long metal coil, it is considered that no matter what kind of unevenness is formed, fine and irregular unevenness is necessarily formed.
因此,日本特開平10-294024號公報之發明係揭示如日本專利第4020957號公報、日本特開2010-167475號公報之發明般,與朝交叉方向進行雷射照射而於表面形成微細的凹凸之發明相同的技術思想。 Therefore, the invention of Japanese Patent Application Laid-Open No. 10-294024 discloses that, as in the inventions of Japanese Patent No. 4020957 and Japanese Patent Laid-Open No. 2010-167475, the surface of the surface is formed with fine projections and depressions by laser irradiation in a cross direction. Invent the same technical idea.
國際公開2012/090671號係一種包含金屬成形體與樹脂成形體的複合成形體之製造方法之發明。其具有對金屬成形體之接合面,以沿-方向或不同方向形成包含直線及/或曲線之標記的方式進行雷射掃描之步驟,且其係以包含各直線及/或各曲線之標記彼此未交叉的方式進行雷射掃描之步驟。其第6圖至第9圖係顯示四方形、圓形、橢圓形、三角形之標記圖案。 International Publication No. 2012/090671 is an invention of a method for manufacturing a composite molded body including a metal molded body and a resin molded body. It has the step of performing laser scanning on the joining surface of the metal formed body in such a way that marks including straight lines and / or curves are formed in the-direction or different directions, and it is based on the marks including each straight line and / or each curve. Laser scanning steps are performed in an uncrossed manner. Figures 6 to 9 show square, circular, oval, and triangular marking patterns.
本發明係以提供一種可製造接合強度進一步提高的複合成形體之製造方法為課題。 The present invention has as its object to provide a method for manufacturing a composite formed body which can further improve the bonding strength.
作為課題之解決手段,本發明係提供一種複合成形體之製造方法,其係金屬成形體與樹脂成形體接合而成的複合成形體之製造方法,其具有:第1步驟,其係對前述金屬成形體之接合面,照射雷射點徑10~200μm之範圍的雷射光而形成溝,形成直徑為 20~1000μm之圓形或與其同面積範圍的一區域之步驟,藉由1次掃描連結雷射照射的起始點與終點而形成溝,並予以重複複數次掃描,而形成由溝所包圍的一區域;第2步驟,重複前述第1步驟,形成由溝所包圍的複數個區域;及第3步驟,將包含形成有由前述溝所包圍的區域的金屬成形體接合面的部分配置於模具內,而將成為前述樹脂成形體的樹脂嵌入成形。 As a solution to the problem, the present invention provides a method for manufacturing a composite molded body, which is a method for manufacturing a composite molded body in which a metal molded body and a resin molded body are joined, which includes a first step for the aforementioned metal The joint surface of the formed body is irradiated with laser light having a laser spot diameter in the range of 10 to 200 μm to form a groove, and a step of forming a circle having a diameter of 20 to 1000 μm or an area in the same area as the same is used to connect the laser by one scan. Forming a groove by starting and ending the irradiation, and repeating multiple scans to form an area surrounded by the groove; in a second step, repeating the aforementioned first step to form a plurality of areas surrounded by the groove; and In the third step, a portion including a metal-molded body joint surface in which a region surrounded by the groove is formed is placed in a mold, and a resin to be the resin-molded body is insert-molded.
根據本發明之複合成形體之製造方法,可提高金屬成形體與樹脂成形體之接合強度。 According to the method for manufacturing a composite molded body of the present invention, the bonding strength between a metal molded body and a resin molded body can be improved.
1‧‧‧複合成形體 1‧‧‧ composite formed body
10‧‧‧金屬成形體 10‧‧‧ metal forming body
12‧‧‧接合面 12‧‧‧ joint surface
20‧‧‧樹脂成形體 20‧‧‧Resin molding
第1圖為以本發明製造方法所得之複合成形體之厚度方向的剖面圖(含部分放大圖)。 FIG. 1 is a cross-sectional view (including a partially enlarged view) of the composite formed body obtained by the manufacturing method of the present invention in the thickness direction.
第2圖為本發明另一實施形態之複合成形體之直徑方向的剖面圖,(a)為由側面觀看的圖;(b)為由端面觀看的圖。 Fig. 2 is a cross-sectional view in the radial direction of a composite formed body according to another embodiment of the present invention, (a) is a view viewed from a side, and (b) is a view viewed from an end surface.
第3圖為本發明之製造方法的說明圖,係俯視圖(右側)及其部分放大圖(左側)。 FIG. 3 is an explanatory diagram of the manufacturing method of the present invention, which is a plan view (right side) and an enlarged view (left side) of a part thereof.
第4圖(a)~(g)為表示本發明之製造方法中由構所包圍的區域之形成圖案的圖。 Figures 4 (a) to (g) are diagrams showing the formation pattern of the area surrounded by the texture in the manufacturing method of the present invention.
第5圖為實施例中的製造方法的說明圖。 Fig. 5 is an explanatory diagram of a manufacturing method in the embodiment.
第6圖之(a)為實施例1之複合成形體所使用的金屬成形體之俯視圖的SEM照片;第6圖之(b)為第6圖(a)的放大圖;第6圖之(c)為第6圖(a)之厚度方向剖面的SEM照片。 (A) of FIG. 6 is an SEM photograph of a top view of a metal formed body used in the composite formed body of Example 1. (b) of FIG. 6 is an enlarged view of (a) of FIG. 6; c) It is a SEM photograph of the thickness direction cross section of FIG.6 (a).
第7圖為比較例1之製造方法的說明圖。 FIG. 7 is an explanatory diagram of a manufacturing method of Comparative Example 1. FIG.
第8圖為用以說明實施例與比較例之複合成形體之接合強度的測定方法的圖。 FIG. 8 is a diagram for explaining a method for measuring the joint strength of the composite formed bodies of Examples and Comparative Examples.
第1圖為使平板之金屬成形體10與平板之樹脂成形體20以平面彼此進行接合一體化而成的複合成形體1之厚度方向的剖面圖(含部分放大圖)。 FIG. 1 is a cross-sectional view (including a partially enlarged view) in the thickness direction of a composite molded body 1 in which a flat metal molded body 10 and a flat resin molded body 20 are integrated with each other in a plane.
第2圖(a)為使圓柱(圓棒)之金屬成形體10與圓柱之樹脂成形體20以曲面彼此進行接合一體化而成的複合成形體1之厚度(直徑)方向的剖面圖。 FIG. 2 (a) is a cross-sectional view in the thickness (diameter) direction of the composite molded body 1 in which a cylindrical (round bar) metal molded body 10 and a cylindrical resin molded body 20 are integrated with each other by curved surfaces.
第1圖及第2圖之複合成形體1可經由以下第1步驟、第2步驟及第3步驟製造。 The composite molded body 1 shown in Figs. 1 and 2 can be produced through the following first step, second step, and third step.
<第1步驟> <Step 1>
如第3圖之俯視圖及部分放大圖所示,在第1步驟中,係對經接合一體化前之金屬成形體10之接合面,照射雷射點徑(d)為10~200μm之範圍的雷射光而形成溝31,形成直徑(D)為20~1000μm之圓形或與其同面積範圍的一區域。 As shown in the top view and a partially enlarged view in FIG. 3, in the first step, the joint surface of the metal formed body 10 before the integration is irradiated with a laser spot diameter (d) in a range of 10 to 200 μm. The laser light forms the groove 31 to form a circle having a diameter (D) of 20 to 1000 μm or an area within the same area range.
進而,在第1步驟中,係藉由1次掃描連結雷射照射的起始點與終點而形成溝31,並以使其形成相同溝31的方式予以重複複數次掃描,而形成由溝31所包圍的一區域。 Furthermore, in the first step, the groove 31 is formed by connecting the starting point and the end point of the laser irradiation with one scan, and repeating a plurality of scans to form the same groove 31 to form the groove 31 An area surrounded.
以溝31與凸部32所形成的一區域(圓形區域)30之直徑D係作為雷射光點外側之接觸圓的直徑。 The diameter D of a region (circular region) 30 formed by the groove 31 and the convex portion 32 is the diameter of the contact circle outside the laser light spot.
溝31係如第3圖之部分放大圖所示,藉由1次掃描連結雷射照射的起始點與終點而形成。即,以使沿圓周方向相鄰的雷射點彼此間重複或接觸的方式進行雷射照射。 The groove 31 is formed by connecting the start point and the end point of the laser irradiation with one scan, as shown in a partially enlarged view in FIG. 3. That is, laser irradiation is performed so that laser points adjacent to each other in the circumferential direction are repeated or in contact with each other.
接著在第2次掃描中,亦與第1次掃描同樣地在同一溝31上進行複數次掃描。藉著進行複數次掃描,來調整溝31之深度(即,凸部32之高度)。 Then, in the second scan, a plurality of scans are performed on the same groove 31 in the same manner as the first scan. The depth of the groove 31 (that is, the height of the convex portion 32) is adjusted by performing multiple scans.
在第1步驟中由溝31所包圍的區域30,除了為如第4圖(a)~(g)所示之圓形、橢圓形、三角形、四邊形外,尚可作成選自五邊形以上之多角形及所欲之不規則形的區域,亦可為包含除此之外的形狀的區域。 In the first step, the area 30 surrounded by the groove 31 can be made from a pentagon or more, in addition to the circles, ellipses, triangles, and quadrilaterals shown in Figs. 4 (a) to (g). Polygonal and irregularly shaped regions may also be regions containing other shapes.
當作成圓形以外之區域時,係予以作成直徑(D)為20~1000μm之圓形或與其同面積範圍的一區域。 When it is regarded as a region other than a circle, a circle having a diameter (D) of 20 to 1000 μm or an area in the same area range is prepared.
雷射點徑(d)係為10~200μm,較佳為10~100μm,更佳為10~50μm。 The laser spot diameter (d) is 10 to 200 μm, preferably 10 to 100 μm, and more preferably 10 to 50 μm.
一區域之大小係為直徑(D)為20~1000μm之圓形或與其同面積範圍,較佳為直徑(D)為20~500μm之圓形或與其同面積範圍,更佳為直徑(D)為20~300μm之圓形或與其同面積範圍。 The size of a region is a circle with a diameter (D) of 20 to 1000 μm or the same area range, preferably a circle with a diameter (D) of 20 to 500 μm or a range with the same area, more preferably a diameter (D) It is a circle of 20 ~ 300μm or the same area range.
1次掃描之照射距離較佳為100~100,000μm,更佳為100~10,000μm,進一步更佳為100~1000μm。如此藉由縮短1次掃描之照射距離,可抑制掃描間之熱的擴散與金屬溫度的下降,因此,雷射加工之效率(每單位時間之加工量)會變得良好。 The irradiation distance of one scan is preferably 100 to 100,000 μm, more preferably 100 to 10,000 μm, and even more preferably 100 to 1000 μm. In this way, by shortening the irradiation distance for one scan, it is possible to suppress the diffusion of heat between the scans and the decrease in the metal temperature. Therefore, the efficiency of laser processing (the amount of processing per unit time) becomes good.
以1次掃描之雷射光照射所形成的溝深較佳為5~300μm,更佳為10~300μm。 The groove depth formed by the laser light irradiation in one scan is preferably 5 to 300 μm, and more preferably 10 to 300 μm.
全部掃描後溝深較佳為10~600μm,更佳為10~300μm。 The groove depth after all scanning is preferably 10 to 600 μm, and more preferably 10 to 300 μm.
形成此種包含溝的區域30時之雷射光的照射條件如下: The irradiation conditions of the laser light at 30 when forming such a groove-containing area are as follows:
輸出功率較佳為4~4000W。 The output power is preferably 4 ~ 4000W.
波長較佳為300~1200nm,更佳為500~1200nm。 The wavelength is preferably 300 to 1200 nm, and more preferably 500 to 1200 nm.
1次掃描之脈衝寬度(1次掃描之雷射光的照射時間)較佳為1~10,000nsec。 The pulse width of one scan (irradiation time of laser light per scan) is preferably 1 to 10,000 nsec.
頻率較佳為1~100kHz。 The frequency is preferably 1 to 100 kHz.
焦點位置較佳為-10~+10mm,更佳為-6~+6mm。 The focal position is preferably -10 to +10 mm, and more preferably -6 to +6 mm.
加工速度較佳為10~10,000mm/sec,更佳為100~10,000mm/sec,進一步更佳為300~10,000mm/sec。 The processing speed is preferably 10 to 10,000 mm / sec, more preferably 100 to 10,000 mm / sec, and even more preferably 300 to 10,000 mm / sec.
掃描次數較佳為1~30次。 The number of scans is preferably 1 to 30 times.
<第2步驟> <Step 2>
在第2步驟中,係重複第1步驟,對金屬成形體10之接合面12,形成第4圖(a)~(g)所示之複數個區域30(30a~30g)。 In the second step, the first step is repeated to form a plurality of regions 30 (30a to 30g) as shown in Figs. 4 (a) to (g) on the joint surface 12 of the metal formed body 10.
第4圖(a)~(e)中,係在接合面12整面形成區域30(30a~30e);第4圖(f)、(g),係在接合面12的-部分面形成區域30(30f、30g)。 In Figs. 4 (a) to (e), a region 30 (30a to 30e) is formed on the entire surface of the joint surface 12. Figs. 4 (f) and (g) are regions formed on the -part surface of the joint surface 12. 30 (30f, 30g).
第4圖(a)中,複數個具有溝31a與凸部32a的圓形區域30a係以均等間隔形成。複數個圓形區域30a係各自獨立而未接觸,惟亦可使全部或一部分的區域30a之溝31a彼此重疊。 In FIG. 4 (a), a plurality of circular regions 30a having grooves 31a and convex portions 32a are formed at equal intervals. The plurality of circular regions 30a are independent and not in contact with each other, but the grooves 31a of all or a part of the regions 30a may overlap each other.
第4圖(b)中,複數個具有溝31b與凸部32b的橢圓形區域30b係以均等間隔形成。複數個橢圓形區域30a係各自獨立而未接觸,惟亦可使全部或一部分的區域30b之溝31b彼此重疊。 In FIG. 4 (b), a plurality of elliptical regions 30b having grooves 31b and convex portions 32b are formed at equal intervals. The plurality of elliptical regions 30a are independent and not in contact with each other, but the grooves 31b of all or a part of the regions 30b may overlap each other.
第4圖(c)中,複數個具有溝31c與凸部32c的三角形區域30c係以均等間隔形成。複數個三角形區域30c係各自獨立而未接觸,惟亦可使全部或一部分的區域30c之溝31c彼此重疊。 In FIG. 4 (c), a plurality of triangular regions 30c having grooves 31c and convex portions 32c are formed at equal intervals. The plurality of triangular regions 30c are independent and not in contact with each other, but the grooves 31c of all or a part of the regions 30c may overlap each other.
第4圖(d)中,複數個具有溝31d與凸部32d的四邊形區域30d係以均等間隔形成。複數個四邊形區域30d係各自獨立而未接觸,惟亦可使全部或一部分的區域30d之溝31d彼此重疊。 In FIG. 4 (d), a plurality of quadrangular regions 30d having grooves 31d and convex portions 32d are formed at equal intervals. The plurality of quadrangular regions 30d are independent and not in contact with each other, but the grooves 31d of all or a part of the regions 30d may overlap each other.
第4圖(e)中,係以與第4圖(a)相異之配置狀態,複數個具有溝31e與凸部32e的圓形區域30e係以均等間隔形成。複數個圓形區域30e係各自獨立而未接觸,惟亦可使全部或一部分的區域30e之溝31e彼此重疊。 In FIG. 4 (e), the arrangement state is different from that in FIG. 4 (a), and a plurality of circular regions 30e having grooves 31e and convex portions 32e are formed at equal intervals. The plurality of circular regions 30e are independent and not in contact with each other, but the grooves 31e of all or a part of the regions 30e may overlap each other.
第4圖(f)中,係與第4圖(a)、(e)相異,在接合面12的-部分面形成複數個具有溝31f與凸部32f的圓形區域30f。複數個圓形區域30f係各自獨立而未接觸,惟亦可使全部或一部分的區域30f之溝31f彼此重疊。 Fig. 4 (f) is different from Figs. 4 (a) and (e) in that a plurality of circular regions 30f having grooves 31f and convex portions 32f are formed on a part of the joint surface 12. The plurality of circular regions 30f are independent and not in contact with each other, but the grooves 31f of all or a part of the regions 30f may overlap each other.
第4圖(f)中,複數個圓形區域30f係以使其接合面12的邊12a側之圓形區域30f的形成密度變高,且使相反側的邊12b側之圓形區域30f的形成密度變低的方式形成。如此在接合面12使圓形區域30f未均等配置,可予成形為偏向存在於-部分面。 In FIG. 4 (f), the plurality of circular regions 30f are formed such that the formation density of the circular regions 30f on the side 12a side of the joint surface 12 is increased, and the circular regions 30f on the opposite side 12b side are formed. It is formed so that the formation density becomes low. As described above, the circular areas 30f are not uniformly arranged on the joint surface 12 and can be preformed so as to be biased to the -part surface.
當第1圖所示複合成形體1係在接合面12形成有第4圖(f)所示複數個圓形區域30f時,由於係以使圓形區域30f於邊12a側較密地形成的方式所構成,因此,複合成形體1其朝第4圖(f)之箭號方向拉伸時的抵抗力變大,可提高金屬成形體10與樹脂成形體20之接合強度。 When the composite molded body 1 shown in FIG. 1 is formed with a plurality of circular areas 30f shown in FIG. 4 (f) on the joint surface 12, the circular areas 30f are formed densely on the side 12a. Therefore, the composite molded body 1 has a higher resistance when it is stretched in the direction of the arrow in FIG. 4 (f), and the bonding strength between the metal molded body 10 and the resin molded body 20 can be improved.
第4圖(g)中,係與第4圖(a)、(e)相異,在接合面12的周圍形成複數個具有溝31g與凸部32g的圓形區域30g,於中央部未形成圓形區域30g。複數個圓形區域30g係各自獨立而未接觸,惟亦可使全部或一部分的區域30g之溝31g彼此重疊。 In Fig. 4 (g), different from Figs. 4 (a) and (e), a plurality of circular areas 30g having grooves 31g and convex portions 32g are formed around the joint surface 12, and are not formed in the central portion. Round area 30g. The plurality of circular regions 30g are independent and not in contact with each other, but the grooves 31g of all or a part of the regions 30g may overlap each other.
此外,亦可與第4圖(g)相反,僅於接合面12之中央部形成複數個圓形區域30g,於周圍未形成圓形區域30g。 In addition, contrary to FIG. 4 (g), a plurality of circular regions 30g may be formed only in the center portion of the joint surface 12, and no circular regions 30g may be formed around the periphery.
<第3步驟> <Step 3>
在第3步驟中,係將包含形成有複數個區域30的金屬成形體10之接合面12的部分配置於模具內,使用成為樹脂成形體20的樹脂進行嵌入成形,而得到複合成形體1。 In the third step, a part including the joint surface 12 of the metal formed body 10 in which the plurality of regions 30 are formed is placed in a mold, and insert molding is performed using a resin that becomes the resin formed body 20 to obtain a composite formed body 1.
藉此嵌入成形步驟,如第1圖所示,可得區域30(溝31與突起32)之溝31內滲入有樹脂之狀態的複合成形體1。 As a result of the insert molding step, as shown in FIG. 1, a composite molded body 1 in a state where resin is infiltrated into the grooves 31 in the region 30 (the grooves 31 and the protrusions 32) is obtained.
如此,由於金屬成形體10具有區域30(溝31與突起32),可增大金屬成形體10與樹脂成形體20之接觸面積,同時亦可藉由樹脂填入溝31內所產生的定準效應而提高接合強度。 In this way, since the metal formed body 10 has a region 30 (the groove 31 and the protrusion 32), the contact area between the metal formed body 10 and the resin formed body 20 can be increased, and the alignment generated by filling the groove 31 with the resin can also be achieved. Effect to increase the bonding strength.
更且,例如如第4圖(a)~(g)所示,藉由調整區域30之配置狀態、或調整形成圖案,可得朝所欲方向之拉伸強度或彎曲強度獲提高的複合成形體。 Furthermore, for example, as shown in Figs. 4 (a) to (g), by adjusting the arrangement state of the area 30 or adjusting the formation pattern, a composite molding having improved tensile strength or bending strength in a desired direction can be obtained. body.
本發明複合成形體所使用的金屬成形體之金屬不特別限制,可根據用途由周知之金屬中適當選出。可列舉例如選自鐵、各種不鏽鋼、鋁或其合金、銅或其合金、銀或其合金、鋅、鎂、鉛、錫及含有彼等之合金者。 The metal of the metal formed body used in the composite formed body of the present invention is not particularly limited, and can be appropriately selected from known metals depending on the application. Examples thereof include those selected from iron, various stainless steels, aluminum or alloys thereof, copper or alloys thereof, silver or alloys thereof, zinc, magnesium, lead, tin, and alloys containing them.
本發明複合成形體所使用的金屬成形體之成形方法不特別限制,可依據金屬之種類應用周知之各種成形法來製造,可使用例如以模具流延(die cast)法製造而成者。 The forming method of the metal formed body used in the composite formed body of the present invention is not particularly limited, and it can be produced by various known forming methods depending on the type of metal, and it can be produced by, for example, a die cast method.
本發明之複合成形體中所使用的樹脂成形體之樹脂,除熱塑性樹脂、熱硬化性樹脂外,尚包含熱塑性彈性體。 The resin of the resin molded article used in the composite molded article of the present invention contains a thermoplastic elastomer in addition to the thermoplastic resin and the thermosetting resin.
熱塑性樹脂可依據用途由周知之熱塑性樹脂中適當選出。可列舉例如聚醯胺系樹脂(PA6、PA66等脂肪族聚醯胺、芳香族聚醯胺)、聚苯乙烯、ABS樹脂、AS樹脂等含苯乙烯單元之共聚物、聚乙烯、含乙烯單元之共聚物、聚丙烯、含丙烯單元之共聚物、其他聚烯烴、聚氯乙烯、聚偏二氯乙醯、聚碳酸酯系樹脂、丙烯酸系樹脂、甲基丙烯酸系樹脂、聚酯系樹脂、聚縮醛系樹脂、聚苯硫系樹脂。 The thermoplastic resin can be appropriately selected from known thermoplastic resins depending on the application. Examples include polyamine resins (aliphatic polyamines such as PA6 and PA66, aromatic polyamines), polystyrene, ABS resin, AS resins, copolymers containing styrene units, polyethylene, and ethylene units. Copolymers, polypropylene, copolymers containing propylene units, other polyolefins, polyvinyl chloride, polyvinylidene chloride, polycarbonate resins, acrylic resins, methacrylic resins, polyester resins, Polyacetal resin, polyphenylsulfide resin.
熱硬化性樹脂可依據用途由周知之熱硬化性樹脂中適當選出。可列舉例如尿素樹脂、三聚氰胺樹脂、酚樹脂、間苯二酚樹脂、環氧樹脂、聚胺甲酸酯、乙烯胺甲酸酯。 The thermosetting resin can be appropriately selected from known thermosetting resins depending on the application. Examples include urea resin, melamine resin, phenol resin, resorcinol resin, epoxy resin, polyurethane, and vinyl carbamate.
熱塑性彈性體可依據用途由周知之熱塑性彈性體中適當選出。可列舉例如苯乙烯系彈性體、氯乙烯系彈性體、烯烴系彈性體、胺甲酸酯系彈性體、聚酯系彈性體、腈系彈性體、聚醯胺系彈性體。 The thermoplastic elastomer can be appropriately selected from known thermoplastic elastomers depending on the application. Examples thereof include a styrene-based elastomer, a vinyl chloride-based elastomer, an olefin-based elastomer, a urethane-based elastomer, a polyester-based elastomer, a nitrile-based elastomer, and a polyamide-based elastomer.
此等熱塑性樹脂、熱硬化性樹脂、熱塑性彈性體中可摻混周知之纖維狀填充材料。 These thermoplastic resins, thermosetting resins, and thermoplastic elastomers may be blended with a known fibrous filler.
作為周知之纖維狀填充材料,可列舉碳纖維、無機纖維、金屬纖維、有機纖維等。 Examples of known fibrous fillers include carbon fibers, inorganic fibers, metal fibers, and organic fibers.
碳纖維為周知者,可採用PAN系、瀝青系、嫘縈系、木質系等的纖維。 The carbon fiber is well-known, and PAN-based, pitch-based, sacral-based, wood-based fibers can be used.
作為無機纖維,可列舉玻璃纖維、玄武岩纖維、氧化矽纖維、氧化矽‧氧化鋁纖維、氧化鋯纖維、氮化硼纖維、氮化矽纖維等。 Examples of the inorganic fibers include glass fibers, basalt fibers, silica fibers, silica and alumina fibers, zirconia fibers, boron nitride fibers, and silicon nitride fibers.
作為金屬纖維,可列舉包含不鏽鋼、鋁、銅等的纖維。 Examples of the metal fiber include fibers including stainless steel, aluminum, and copper.
作為有機纖維,可使用聚醯胺纖維(全芳香族聚醯胺纖維、二胺與二羧酸之任一者為芳香族化合物的半芳香族聚醯胺纖維、脂肪族聚醯胺纖維)、聚乙烯醇纖維、丙烯酸纖維、聚烯烴纖維、聚甲醛纖維、聚四氟乙烯纖維、聚酯纖維(含全芳香族聚酯纖維)、聚苯硫纖維、聚醯亞胺纖維、液晶聚酯纖維等合成纖維或天然纖維(纖維素系纖維等)或再生纖維素(嫘縈)纖維等。 As the organic fibers, polyamide fibers (fully aromatic polyamide fibers, semi-aromatic polyamide fibers in which any one of diamine and dicarboxylic acid is an aromatic compound, and aliphatic polyamide fibers), Polyvinyl alcohol fiber, acrylic fiber, polyolefin fiber, polyoxymethylene fiber, polytetrafluoroethylene fiber, polyester fiber (including wholly aromatic polyester fiber), polyphenylene sulfide fiber, polyimide fiber, liquid crystal polyester fiber Such as synthetic fibers, natural fibers (cellulose-based fibers, etc.) or regenerated cellulose (嫘 萦) fibers.
此等纖維狀填充材料,可使用纖維徑為3~60μm之範圍者,惟,此等當中,較佳使用例如纖維徑小於相對金屬成形體10之接合面11所形成的標記圖案之 寬度(細孔之開口部的大小、或溝寬)者。纖維徑更理想為5~30μm,進一步更理想為7~20μm。 These fibrous fillers may be those having a fiber diameter in the range of 3 to 60 μm. However, among these, it is preferable to use, for example, a fiber diameter smaller than the width of the marking pattern (fine The size of the opening of the hole, or the width of the groove). The fiber diameter is more preferably 5 to 30 μm, and even more preferably 7 to 20 μm.
在使用此種纖維徑小於標記圖案之寬度的纖維狀填充材料時,可得纖維狀填充材料的一部分黏入金屬成形體之標記圖案內之狀態的複合成形體,可提高金屬成形體與樹脂成形體之接合強度,因而較佳。 When such a fibrous filler having a fiber diameter smaller than the width of the mark pattern is used, a composite molded body can be obtained in which a part of the fibrous filler is stuck in the mark pattern of the metal molded body, and the metal molded body and the resin can be molded. The joint strength of the body is better.
甚而,由於此等纖維狀填充材料係藉由提高樹脂成形體之機械強度,並縮小與金屬成形體之機械強度差來提高金屬成形體與樹脂成形體之接合強度,因此較佳為係將成形後之樹脂成形體中所含之重量平均纖維長可形成較佳為0.1~5.0mm,更佳為0.1~4.0mm,進一步更佳為0.2~3.0mm,最佳為0.5~2.5mm等長度者作為製造原料使用。 Furthermore, since these fibrous fillers improve the bonding strength between the metal molded body and the resin molded body by increasing the mechanical strength of the resin molded body and reducing the difference in mechanical strength with the metal molded body, it is preferred that the fibrous filler is formed by molding. The weight average fiber length contained in the following resin formed body can be formed to a length of preferably 0.1 to 5.0 mm, more preferably 0.1 to 4.0 mm, still more preferably 0.2 to 3.0 mm, and most preferably 0.5 to 2.5 mm. Used as a manufacturing material.
相對於100質量份之熱塑性樹脂、熱硬化性樹脂、熱塑性彈性體之纖維狀填充材料的摻混量較佳為5~250質量份。更理想為25~200質量份,進一步更理想為45~150質量份。 The blending amount of the fibrous filler of the thermoplastic resin, the thermosetting resin, and the thermoplastic elastomer is preferably 5 to 250 parts by mass based on 100 parts by mass. It is more preferably 25 to 200 parts by mass, and even more preferably 45 to 150 parts by mass.
本發明之複合成形體之製造方法中可使用周知之雷射,可使用例如YVO4雷射、YAG雷射、纖維雷射、準分子雷射、紫外線雷射、二氧化碳雷射、半導體雷射、玻璃雷射、紅寶石雷射、He-Ne雷射、氮氣雷射、螯合物雷射、色素雷射。 A well-known laser can be used in the method for manufacturing the composite formed body of the present invention, and for example, YVO 4 laser, YAG laser, fiber laser, excimer laser, ultraviolet laser, carbon dioxide laser, semiconductor laser, Glass laser, ruby laser, He-Ne laser, nitrogen laser, chelate laser, pigment laser.
雷射之照射條件,例如波長、束徑、細孔之間隔‧周波數等,可依據作為接合對象的金屬成形體與樹脂成形體之大小、質量、種類、甚或所要求之接合強度等來適當決定。 Laser irradiation conditions, such as wavelength, beam diameter, pore interval, and number of cycles, can be appropriately determined according to the size, quality, type, or required bonding strength of the metal molded and resin molded objects to be joined. Decide.
實施例1 Example 1
對第5圖所示金屬成形體(鋁:A5052)之接合面12,以表1所示條件進行雷射照射,形成第4圖(a)所示的372個圓形區域30a。且,雷射振盪器係使用纖維雷射(IPG製YLP-1-50-30-30RA)。 The joint surface 12 of the metal formed body (aluminum: A5052) shown in FIG. 5 was subjected to laser irradiation under the conditions shown in Table 1 to form 372 circular regions 30a shown in FIG. 4 (a). The laser oscillator is a fiber laser (YLP-1-50-30-30RA, manufactured by IPG).
第6圖(a)為實施例1中使用之金屬成形體之俯視的SEM照片(100倍);第6圖(b)為(a)之放大照片(200倍);第6圖(c)為第6圖(a)之厚度方向剖面的SEM照片(100倍)。 Figure 6 (a) is a top view SEM photograph (100 times) of the metal formed body used in Example 1; Figure 6 (b) is an enlarged photograph (200 times) of (a); and Figure 6 (c) It is a SEM photograph (100 times) of the thickness direction cross section of FIG. 6 (a).
以上述方式在金屬成形體形成圓形區域後,以下述方法進行嵌入成形,而得到實施例1之複合成形體。 After forming a circular area in the metal formed body in the above manner, insert molding was performed in the following manner to obtain the composite formed body of Example 1.
比較例1 Comparative Example 1
對第5圖所示金屬成形體(鋁:A5052)之接合面12,以表1所示條件進行雷射照射,形成包含如第7圖所示狀態之彎折複數次之直線的溝。且,雷射振盪器係使用纖維雷射(IPG製YLP-1-50-30-30RA)。 The joint surface 12 of the metal formed body (aluminum: A5052) shown in FIG. 5 was subjected to laser irradiation under the conditions shown in Table 1 to form a groove including a straight line that was bent several times in the state shown in FIG. 7. The laser oscillator is a fiber laser (YLP-1-50-30-30RA, manufactured by IPG).
以上述方式在金屬成形體形成包含直線的溝後,以下述方法進行嵌入成形,而得到比較例1之複合成形體。 After forming grooves including straight lines in the metal formed body in the above manner, insert molding was performed in the following manner to obtain a composite formed body of Comparative Example 1.
比較例2 Comparative Example 2
對第5圖所示金屬成形體(鋁:A5052)之接合面12,以表1所示條件進行雷射照射,形成包含如第7圖所示狀態之彎折複數次之直線的溝。且,雷射振盪器係使用纖維雷射(IPG製YLP-1-50-30-30RA)。 The joint surface 12 of the metal formed body (aluminum: A5052) shown in FIG. 5 was subjected to laser irradiation under the conditions shown in Table 1 to form a groove including a straight line that was bent several times in the state shown in FIG. The laser oscillator is a fiber laser (YLP-1-50-30-30RA, manufactured by IPG).
以上述方式在金屬成形體形成包含直線的溝後,以下述方法進行嵌入成形,而得到比較例2之複合成形體。 After forming grooves including straight lines in the metal formed body in the manner described above, insert molding was performed by the following method to obtain a composite formed body of Comparative Example 2.
<嵌入成形(射出成形)> <Inset molding (injection molding)>
樹脂:GF60%強化PA66樹脂(Plastron PA66-GF60-01(L7):Daicel Polymer(股)製),玻璃纖維之纖維長:11mm Resin: GF60% reinforced PA66 resin (Plastron PA66-GF60-01 (L7): made by Daicel Polymer), fiber length of glass fiber: 11mm
樹脂溫度:320℃ Resin temperature: 320 ℃
模具溫度:100℃ Mold temperature: 100 ℃
射出成形機:FANUC製ROBOSHOT S2000i-100B Injection molding machine: ROBOSHOT S2000i-100B made by FANUC
使用實施例1、比較例1、2之複合成形體,進行拉伸試驗並評定接合強度(S1)。將結果示於表1。 The composite formed bodies of Example 1 and Comparative Examples 1 and 2 were used to perform a tensile test and evaluate the joint strength (S1). The results are shown in Table 1.
此外,複合成形體之樹脂成形體中的玻璃纖維之纖維長(重量平均纖維長)為0.85mm。平均纖維長係自成形品切出約3g之試料,於650℃予以加熱‧灰化並取出玻璃纖維。由取出之纖維的一部分(500根)求取重量平均纖維長。計算式係使用日本特開2006-274061號公報之[0044]、[0045]。 The fiber length (weight-average fiber length) of glass fibers in the resin molded body of the composite molded body was 0.85 mm. About 3g of the average fiber length was cut from the molded product, heated at 650 ° C, ashed, and taken out of the glass fiber. The weight-average fiber length was calculated from a part (500) of the fibers taken out. The calculation formula used [0044] and [0045] of Japanese Patent Application Laid-Open No. 2006-274061.
拉伸試驗,係測定在將金屬成形體側固定的狀態下,予以朝第8圖所示X1方向拉伸至金屬成形體與樹脂成形體斷裂為止時的最大負載。 The tensile test measures the maximum load when the metal molded body is fixed in the state of being stretched in the direction X1 shown in FIG. 8 until the metal molded body and the resin molded body are broken.
<拉伸試驗條件> <Tensile test conditions>
試驗機:Orientec公司製Tensilon(UCT-1T) Testing machine: Tensilon (UCT-1T) made by Orientec
拉伸速度:5mm/min Stretching speed: 5mm / min
夾頭間距離:50mm Distance between chucks: 50mm
相較於比較例1、2,由於實施例1係1次掃描之照射距離較短,得以抑制熱的擴散,因此,可加大每次掃描之溝深。 Compared with Comparative Examples 1 and 2, since the irradiation distance of one scan is shorter in Example 1, the diffusion of heat can be suppressed, and therefore, the groove depth of each scan can be increased.
因此,如比較實施例1與比較例1,實施例1可縮短合計掃描時間,可確認可得接合強度高於比較例1的複合成形體。 Therefore, if Example 1 and Comparative Example 1 are compared, Example 1 can shorten the total scanning time, and it can be confirmed that a composite molded body having higher bonding strength than Comparative Example 1 can be obtained.
又,若比較實施例1與比較例2,可確認當為相同合計掃描時間時,可得接合強度高3倍以上的複合成形體。 In addition, when Example 1 and Comparative Example 2 were compared, it was confirmed that a composite molded article having a bonding strength three times or more was obtained at the same total scanning time.
因此,透過應用本發明之製造方法,便可大幅提升雷射加工之效率(每單位時間之加工量)。 Therefore, by applying the manufacturing method of the present invention, the efficiency of laser processing (processing amount per unit time) can be greatly improved.
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