JPH041076B2 - - Google Patents
Info
- Publication number
- JPH041076B2 JPH041076B2 JP60045560A JP4556085A JPH041076B2 JP H041076 B2 JPH041076 B2 JP H041076B2 JP 60045560 A JP60045560 A JP 60045560A JP 4556085 A JP4556085 A JP 4556085A JP H041076 B2 JPH041076 B2 JP H041076B2
- Authority
- JP
- Japan
- Prior art keywords
- coating layer
- tie bar
- stainless steel
- base material
- bar base
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 239000011247 coating layer Substances 0.000 claims description 36
- 238000005524 ceramic coating Methods 0.000 claims description 15
- 239000010935 stainless steel Substances 0.000 claims description 15
- 229910001220 stainless steel Inorganic materials 0.000 claims description 15
- 239000000463 material Substances 0.000 claims description 14
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000919 ceramic Substances 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 description 4
- 238000007747 plating Methods 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 3
- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 3
- 239000010410 layer Substances 0.000 description 3
- 238000007750 plasma spraying Methods 0.000 description 3
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical group [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 2
- 239000010953 base metal Substances 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000000465 moulding Methods 0.000 description 2
- 238000007751 thermal spraying Methods 0.000 description 2
- GWEVSGVZZGPLCZ-UHFFFAOYSA-N Titan oxide Chemical compound O=[Ti]=O GWEVSGVZZGPLCZ-UHFFFAOYSA-N 0.000 description 1
- 229910001315 Tool steel Inorganic materials 0.000 description 1
- WGLPBDUCMAPZCE-UHFFFAOYSA-N Trioxochromium Chemical compound O=[Cr](=O)=O WGLPBDUCMAPZCE-UHFFFAOYSA-N 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000005255 carburizing Methods 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- 229910000423 chromium oxide Inorganic materials 0.000 description 1
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 238000000748 compression moulding Methods 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000004512 die casting Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 229910044991 metal oxide Inorganic materials 0.000 description 1
- 150000004706 metal oxides Chemical group 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 210000003739 neck Anatomy 0.000 description 1
- 238000005121 nitriding Methods 0.000 description 1
- TWNQGVIAIRXVLR-UHFFFAOYSA-N oxo(oxoalumanyloxy)alumane Chemical compound O=[Al]O[Al]=O TWNQGVIAIRXVLR-UHFFFAOYSA-N 0.000 description 1
- RVTZCBVAJQQJTK-UHFFFAOYSA-N oxygen(2-);zirconium(4+) Chemical compound [O-2].[O-2].[Zr+4] RVTZCBVAJQQJTK-UHFFFAOYSA-N 0.000 description 1
- 230000002093 peripheral effect Effects 0.000 description 1
- 230000002265 prevention Effects 0.000 description 1
- 238000005507 spraying Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000004381 surface treatment Methods 0.000 description 1
- OGIDPMRJRNCKJF-UHFFFAOYSA-N titanium oxide Inorganic materials [Ti]=O OGIDPMRJRNCKJF-UHFFFAOYSA-N 0.000 description 1
- 229910001928 zirconium oxide Inorganic materials 0.000 description 1
Classifications
-
- 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
- B29C45/17—Component parts, details or accessories; Auxiliary operations
- B29C45/1761—Means for guiding movable mould supports or injection units on the machine base or frame; Machine bases or frames
Landscapes
- Engineering & Computer Science (AREA)
- Manufacturing & Machinery (AREA)
- Mechanical Engineering (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Other Surface Treatments For Metallic Materials (AREA)
Description
【発明の詳細な説明】
［産業上の利用分野］
この発明は圧縮成形、射出成形或はダイキヤス
トなどの成形機の型開閉装置に用いられているタ
イバーに関するものである。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a tie bar used in a mold opening/closing device of a molding machine for compression molding, injection molding, die casting, or the like.
［従来の技術］
一般に成形機の型開閉装置に用いられているタ
イバーは、構造用合金鋼や工具鋼などの特殊鋼を
用い、表面硬度を増すために、熱処理を施したの
ち、表面に工業用クロム鍍金を施している。[Prior art] Tie bars that are generally used in mold opening and closing devices of molding machines are made of special steel such as structural alloy steel or tool steel, and are heat treated to increase surface hardness. It is chrome plated.
［発明が解決しようとする問題点］
タイバーには使用する機械によりさまざまなサ
イズのものがあり、小さいもので直径５cm、長さ
１ｍ位、大きいものになると直径50cm、長さ10ｍ
に達するものがある。このようなタイバーの表面
硬度を増すために、熱処理や鍍金を施すのは技術
的、作業的にきわめて困難であり、設備的にも大
規模なものが要求され、それによつて得られるタ
イバーは極めて高価なものとなる。[Problem to be solved by the invention] Tie bars come in various sizes depending on the machine used.The small ones are about 5 cm in diameter and 1 m in length, and the larger ones are 50 cm in diameter and 10 m in length.
There are things that reach . Applying heat treatment or plating to increase the surface hardness of such tie bars is extremely technically and operationally difficult, and requires large-scale equipment, and the tie bars obtained by this process are extremely difficult to apply. It becomes expensive.
［問題点を解決する為の手段］
この発明は上記事情から考えられたものであつ
て、その目的とするところは、製品表面の硬度を
増すための高周波焼入、炎焼入、浸炭、窒化等の
物理的、化学的熱処理や工業用クロム鍍金等を施
すことなく、耐摩耗性、防錆性などに優れたタイ
バーを提供することにある。[Means for Solving the Problems] This invention was conceived in view of the above circumstances, and its purpose is to improve the hardness of the product surface by induction hardening, flame hardening, carburizing, and nitriding. The object of the present invention is to provide a tie bar that has excellent wear resistance and rust prevention properties without undergoing any physical or chemical heat treatment or industrial chromium plating.
上記目的によるこの発明は、丸鋼棒からなるタ
イバー母材のガイド部を、他の部分よりも小径に
形成して所要の凹所に形成し、その凹所を含めて
タイバー母材の表面をステンレス被膜層により被
覆するとともに、凹所にセラミツクを溶射して、
ガイド部をステンレス被膜層とその上のセラミツ
ク被膜層とから構成してなり、セラミツクとして
は、酸化アルミニウム、酸化クロム、酸化チタ
ン、酸化ジルコニウム等の金属酸化物を主成分と
するものが用いられる。 According to the above-mentioned object, the guide portion of the tie bar base material made of a round steel bar is formed to have a smaller diameter than other parts and is formed in a required recess, and the surface of the tie bar base material including the recess is formed. In addition to coating with a stainless steel coating layer, ceramic is sprayed into the recesses,
The guide portion is composed of a stainless steel coating layer and a ceramic coating layer thereon, and the ceramic used is one whose main component is a metal oxide such as aluminum oxide, chromium oxide, titanium oxide, or zirconium oxide.
［作用］
上記タイバーでは、型開閉装置にて生ずる荷重
を靭性に優れたタイバー母材が受け、タイバー上
を移動する可動板による摩耗には耐摩耗性に優れ
たセラミツク被膜層で対処し、錆に対しては耐食
性に優れたステンレス被膜層とセラミツク被膜層
とが対処する。[Function] In the above tie bar, the tie bar base material, which has excellent toughness, takes the load generated by the mold opening/closing device, and the wear caused by the movable plate that moves on the tie bar is counteracted by the ceramic coating layer, which has excellent wear resistance, and prevents rust. The stainless steel coating layer and the ceramic coating layer have excellent corrosion resistance.
更にこの発明を図示の例により詳細に説明す
る。 Further, the present invention will be explained in detail using illustrated examples.
［実施例］
タイバー母材１は、調質された構造用合金鋼に
よる丸棒鋼を素材とし、両端に連結用のネジ部
２，２を有する。また中間のガイド部は、他の部
分よりも小径に形成されて、所要の凹所となつて
いる。[Example] The tie bar base material 1 is made of a round bar steel made of tempered structural alloy steel, and has threaded portions 2, 2 for connection at both ends. Further, the intermediate guide portion is formed to have a smaller diameter than the other portions, and has a required recess.
このようなタイバー母材１の表面には、上記凹
所を含めてステンレス被膜層３が施してあり、ま
た凹所のステンレス被膜層３の上にはセラミツク
被膜層４が施されている。したがつて、上記凹所
は両被覆層の厚さに等しい深さにて設けられてい
る。 A stainless steel coating layer 3 is applied to the surface of the tie bar base material 1 including the recesses, and a ceramic coating layer 4 is applied to the stainless steel coating layer 3 in the recesses. The recess is therefore provided at a depth equal to the thickness of both covering layers.
上記被覆層及び被膜層の厚さは、タイバーの大
きさや使用状況に応じて適宜選択されるが、形成
技術やタイバー母材の強度、剥離、更には経済性
などを考慮して、そこに形成される各層の厚み
は、ステンレス被膜層３にあつては片肉厚0.1mm
以上0.4mm未満、セラミツク被膜層４は片肉厚0.1
mm以上0.5mm未満の範囲が好適である。 The thickness of the above-mentioned coating layer and coating layer is selected appropriately depending on the size of the tie bar and usage conditions, but the thickness of the coating layer and the coating layer are selected appropriately depending on the size of the tie bar and usage conditions. The thickness of each layer is 0.1mm for stainless steel coating layer 3.
0.4mm or more, ceramic coating layer 4 has one side thickness of 0.1mm
A range of not less than mm and less than 0.5 mm is suitable.
またステンレス被膜層３は、タイバー母材１の
両端面、ネジ部、ネジ首部及び固定盤、可動盤と
の当接端面を除くすべての外周表面にプラズマ溶
射にて施され、セラミツク被膜層４は、ガイド部
に当る図示の可動盤のストローク範囲Ａに設けら
れ、ステンレス被膜層３の外表面にプラズマ溶射
にて施されている。 In addition, the stainless steel coating layer 3 is applied by plasma spraying to all outer peripheral surfaces of the tie bar base material 1 except for both end surfaces, threaded portions, screw necks, and end surfaces in contact with the fixed platen and the movable platen, and the ceramic coating layer 4 is , is provided in the stroke range A of the illustrated movable plate which corresponds to the guide portion, and is applied to the outer surface of the stainless steel coating layer 3 by plasma spraying.
ステンレス被膜層３及びセラミツク被膜層４は
溶射直後は規定寸法に仕上代を加味した寸法に仕
上げられており溶射後研削仕上げにて最終寸法に
仕上げられる。 Immediately after thermal spraying, the stainless steel coating layer 3 and the ceramic coating layer 4 are finished to the prescribed dimensions plus a finishing allowance, and are finished to the final dimensions by grinding after thermal spraying.
第２図はタイバーを組込んだ射出成形機の型開
閉装置を示すもので、タイバー１１，１１は機台
１２上に設けた一対の固定盤１３，１３にわたり
取付けられ、そのタイバー１１，１１に型締シリ
ンダ１４のラム１５と連結した可動盤１６が挿通
してある。 Fig. 2 shows a mold opening/closing device of an injection molding machine incorporating tie bars. A movable platen 16 connected to the ram 15 of the mold clamping cylinder 14 is inserted therethrough.
このような構造では、型締時に生ずる強大な力
を上記タイバー母材１が受けることになり、また
可動盤１６の往復摺動による摩耗には上記セラミ
ツク被膜層４が対処し、防錆はセラミツク被膜層
４とステンレス被膜層３とが対処する。 In such a structure, the tie bar base material 1 is subjected to the enormous force generated during mold clamping, and the ceramic coating layer 4 counteracts the wear caused by the reciprocating sliding of the movable platen 16, and the ceramic coating layer 4 prevents rust. Coating layer 4 and stainless steel coating layer 3 take care of this.
なお、各膜層の形成はプラズマ溶射に依らずガ
ス溶射などであつてもよい。 Note that the formation of each film layer does not depend on plasma spraying, but may also be performed by gas spraying or the like.
［発明の効果］
この発明は上述のように、タイバー母材のガイ
ド部をステンレス被膜層とその上のセラミツク被
膜層とから構成してなることから、熱処理や鍍金
などによつて表面硬度を増す場合よりも、タイバ
ー母材の表面処理が容易で、大規模な設備をも必
要とせず、製造コストの低減を図ることができ
る。[Effects of the Invention] As described above, in this invention, since the guide portion of the tie bar base material is composed of a stainless steel coating layer and a ceramic coating layer thereon, the surface hardness can be increased by heat treatment, plating, etc. The surface treatment of the tie bar base material is easier than in the case of conventional methods, and large-scale equipment is not required, making it possible to reduce manufacturing costs.
またタイバー母材が長尺、大径になるほど技術
やコストの面にて難点が生ずる熱処理や鍍金と異
なつて、タイバー母材の大きさに左右されず、被
膜層も厚肉に施すことができ、対摩耗性及び耐食
性に優れたタイバーを容易にそして安価に得るこ
とができる。 Also, unlike heat treatment and plating, which become more difficult in terms of technology and cost as the tie bar base material becomes longer and larger in diameter, it is possible to apply a thick coating layer without being affected by the size of the tie bar base material. , a tie bar with excellent wear resistance and corrosion resistance can be obtained easily and inexpensively.
更にまたタイバー母材とセラミツク被膜層との
間に介在したステンレス被膜層によつて、タイバ
ー母材金属とセラミツク被膜層との接着力が高め
られるため、セラミツク被膜層が剥離し難く、長
期間にわたり耐摩耗性や耐食性を保つなどの特長
を有する。 Furthermore, the stainless steel coating layer interposed between the tie bar base metal and the ceramic coating layer increases the adhesion between the tie bar base metal and the ceramic coating layer, making it difficult for the ceramic coating layer to peel off and lasting for a long time. It has features such as maintaining wear resistance and corrosion resistance.
図面はこの発明に係る型開閉装置用タイバーを
例示するもので、第１図はタイバーの要部縦断正
面図、第２図は型開閉装置の略示正面図である。
１……タイバー母材、２……ネジ部、３……ス
テンレス被膜層、４……セラミツク被膜層、１１
……タイバー、１３……固定盤、１６……可動
盤。
The drawings illustrate a tie bar for a mold opening/closing device according to the present invention, and FIG. 1 is a vertical sectional front view of the main part of the tie bar, and FIG. 2 is a schematic front view of the mold opening/closing device. DESCRIPTION OF SYMBOLS 1... Tie bar base material, 2... Threaded part, 3... Stainless steel coating layer, 4... Ceramic coating layer, 11
...Tie bar, 13...Fixed plate, 16...Movable plate.
Claims (1)
他の部分よりも小径に形成して所要の凹所に形成
し、その凹所を含めてタイバー母材の表面をステ
ンレス被膜層により被覆するとともに、凹所にセ
ラミツクを溶射して、ガイド部をステンレス被膜
層とその上のセラミツク被膜層とから構成してな
ることを特徴とする型開閉装置用タイバー。1. The guide part of the tie bar base material made of round steel bar is
The guide part is formed to have a smaller diameter than other parts, and is formed in the required recess, and the surface of the tie bar base material including the recess is coated with a stainless steel coating layer, and ceramic is thermally sprayed in the recess. A tie bar for a mold opening/closing device comprising a stainless steel coating layer and a ceramic coating layer thereon.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556085A JPS61204382A (en) | 1985-03-07 | 1985-03-07 | Tie-bar for mold opening and shutting device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4556085A JPS61204382A (en) | 1985-03-07 | 1985-03-07 | Tie-bar for mold opening and shutting device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61204382A JPS61204382A (en) | 1986-09-10 |
| JPH041076B2 true JPH041076B2 (en) | 1992-01-09 |
Family
ID=12722740
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4556085A Granted JPS61204382A (en) | 1985-03-07 | 1985-03-07 | Tie-bar for mold opening and shutting device |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61204382A (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FI129386B (en) * | 2016-02-12 | 2022-01-31 | Wd Racing Oy | Vulcanisation apparatus for vehicle tyres |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887273A (en) * | 1981-11-18 | 1983-05-25 | Hitachi Ltd | Parts having ceramic coated layer and their production |
| JPS59153506A (en) * | 1983-02-19 | 1984-09-01 | Kawasaki Steel Corp | Manufacture of guide shoe used for manufacturing seamless pipe excellent in wear-and-seizure-resistant properties |
-
1985
- 1985-03-07 JP JP4556085A patent/JPS61204382A/en active Granted
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5887273A (en) * | 1981-11-18 | 1983-05-25 | Hitachi Ltd | Parts having ceramic coated layer and their production |
| JPS59153506A (en) * | 1983-02-19 | 1984-09-01 | Kawasaki Steel Corp | Manufacture of guide shoe used for manufacturing seamless pipe excellent in wear-and-seizure-resistant properties |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61204382A (en) | 1986-09-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |