JPH0526601B2 - - Google Patents
Info
- Publication number
- JPH0526601B2 JPH0526601B2 JP13035785A JP13035785A JPH0526601B2 JP H0526601 B2 JPH0526601 B2 JP H0526601B2 JP 13035785 A JP13035785 A JP 13035785A JP 13035785 A JP13035785 A JP 13035785A JP H0526601 B2 JPH0526601 B2 JP H0526601B2
- Authority
- JP
- Japan
- Prior art keywords
- cutter
- workpiece
- cutting
- milling
- cut
- 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 - Fee Related
Links
- 238000003801 milling Methods 0.000 claims description 55
- 238000005520 cutting process Methods 0.000 claims description 41
- 238000000034 method Methods 0.000 claims description 15
- 238000010586 diagram Methods 0.000 description 5
- 238000003672 processing method Methods 0.000 description 4
- 238000003754 machining Methods 0.000 description 3
- 229910000677 High-carbon steel Inorganic materials 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 2
- 238000013459 approach Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000010959 steel Substances 0.000 description 2
- VYZAMTAEIAYCRO-UHFFFAOYSA-N Chromium Chemical compound [Cr] VYZAMTAEIAYCRO-UHFFFAOYSA-N 0.000 description 1
- ZOKXTWBITQBERF-UHFFFAOYSA-N Molybdenum Chemical compound [Mo] ZOKXTWBITQBERF-UHFFFAOYSA-N 0.000 description 1
- 229910052804 chromium Inorganic materials 0.000 description 1
- 239000011651 chromium Substances 0.000 description 1
- VNTLIPZTSJSULJ-UHFFFAOYSA-N chromium molybdenum Chemical compound [Cr].[Mo] VNTLIPZTSJSULJ-UHFFFAOYSA-N 0.000 description 1
- 230000002950 deficient Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 229910052750 molybdenum Inorganic materials 0.000 description 1
- 239000011733 molybdenum Substances 0.000 description 1
Description
【発明の詳細な説明】
「産業上の利用分野」
本発明は、ミーリング加工時にワークに発生す
るバリを簡便に除去する新規な除バリ加工法に関
するものである。DETAILED DESCRIPTION OF THE INVENTION "Field of Industrial Application" The present invention relates to a novel burr removal method for easily removing burrs generated on a workpiece during milling.
「従来技術と問題点」
高炭素鋼やクロム・モリブデン鋼等の硬い材質
のワークをミーリング加工すると、強固なバリが
ミーリングカツターの送り方向と回転方向側のワ
ーク縁に多量に発生することが知られている。こ
の様子を図示すると、第５図のようにワークＷに
対して切込量ｈとなるようにミーリングカツター
１を右回転させつつ原点ａから所定量ｂだけ降下
させ、続いてｂ点からｃ点へミーリングカツター
１を切削送りすることで第６図のようにワークＷ
の上面Waが切削されると共に、ミーリングカツ
ター１の送り方向と回転方向側のワーク縁にW′，
W″の如く強固なバリが発生する。（なお、ミーリ
ングカツター１は、ｃ点からf′点へ上昇され、原
点ａへ戻される。）
上述の如く、ワークＷの二方向に発生したバリ
W′，W″の削除作業は、例えばバリ取りツール
２，３によつて、各々別個に行わなければならな
い。従つて、ミーリング加工後のバリ取り工程と
このための機械設備を必要とし、粘くて硬い材質
のワーク加工のネツトとなつている。"Prior art and problems" When milling a workpiece made of hard materials such as high carbon steel or chromium/molybdenum steel, a large amount of strong burrs may be generated on the edges of the workpiece in the feed direction and rotation direction of the milling cutter. Are known. To illustrate this situation, as shown in Fig. 5, the milling cutter 1 is rotated clockwise so that the cutting depth h is made into the workpiece W, and the milling cutter 1 is lowered from the origin a by a predetermined amount b, and then from the point b to c. By feeding the milling cutter 1 to the point, the workpiece W is cut as shown in Fig. 6.
At the same time that the upper surface Wa is cut, W′,
Strong burrs are generated as indicated by W''. (The milling cutter 1 is raised from point c to point f' and returned to the origin a.) As described above, burrs generated in two directions on the workpiece W
The removal work of W′ and W″ must be performed separately, for example, using deburring tools 2 and 3. Therefore, a deburring process after milling and mechanical equipment for this are required, and It has become a network for machining workpieces made of soft and hard materials.
上記高炭素鋼、クロム・モリブデン鋼を使用し
たワークの代表例として、自動車エンジン用のコ
ネクテイング・ロツドがある。このコネクテイン
グ・ロツドは、第２図イに示すよう、両端の重量
バランスをとるために、コネクテイング・ロツド
５の両端に設けたウエイト突部５ａ，５ｂをミー
リングカツター１，１′のチツプ１ａ…，１a′…
により少量ずつカツテイングする。従来は、第
５，６図に示す方法によつてミーリングカツター
がワークとなるウエイト突部５ａ，５ｂを所定の
切込量で一方向へカツテイングが進められるた
め、ミーリングカツター１，１′の送り方向及び
回転方向側となる突部縁の２辺にW′，W″と同様
のバリを発生する。このバリ取り作業も第６図の
如く２本のバリ取りツール２，３によつて行わな
ければならないが、コネクテイング・ロツド５の
大径側の突部５ａにおいて、送り方向のバリ取り
にボルト６…の頭部がバリ取りツール２，３と干
渉するという問題もある。 A typical example of a workpiece using the above-mentioned high carbon steel or chromium molybdenum steel is a connecting rod for an automobile engine. As shown in FIG. 2A, this connecting rod has weight protrusions 5a and 5b provided at both ends of the connecting rod 5 that are attached to the tips of the milling cutters 1 and 1' in order to balance the weight at both ends. 1a..., 1a'...
Cut into small portions. Conventionally, the milling cutter cuts the weight protrusions 5a and 5b, which are the workpieces, in one direction with a predetermined depth of cut by the method shown in FIGS. 5 and 6. The same burrs as W' and W'' are generated on the two sides of the protrusion edge that are on the feed direction and rotation direction sides.This deburring work is also done using two deburring tools 2 and 3 as shown in Fig. 6. However, there is also the problem that the heads of the bolts 6 interfere with the deburring tools 2 and 3 when deburring in the feeding direction on the large-diameter protrusion 5a of the connecting rod 5.
「問題点を解決するための手段、作用」
本発明は、上記問題点やバリ取り作業の効率化
に鑑みてなされたもので、ミーリングカツター
１，１′の刃先円直径内で、カツター逃し深さｘ
を有するカツター逃し面１ｂ内にワークの切削加
工面が入るカツターホルダー形状をしたミーリン
グカツター１，１′を用いて、ワークＷを切削加
工後、ワークＷの切削加工面がカツター逃し面１
ｂ内にある状態のカツター位置において、ミーリ
ングカツター１，１′にカツター逃し深さｘより
も小さな切込量h1を与え前記切削加工の方向と反
対方向にミーリングカツター１，１′を少量後退
移動させてワークＷの一端面に生じたバリを切込
量h1の切削加工と共に切削排除させることを特徴
とするミーリング加工の除バリ加工法としたもの
である。即ちワークの二方向に生じるバリのうち
の一方向のバリを上面切削加工を行つたミーリン
グカツターで切削排除する加工法とした。"Means and operations for solving the problems" The present invention has been made in view of the above problems and to improve the efficiency of deburring work. depth x
After cutting the workpiece W using the milling cutters 1, 1' having a cutter holder shape in which the cut surface of the workpiece is placed in the cutter relief surface 1b having a cutter relief surface 1b, the cutter surface of the workpiece W
At the cutter position within b, give the milling cutters 1, 1' a depth of cut h1 smaller than the cutter relief depth x, and move the milling cutters 1, 1' in the opposite direction to the cutting direction. This is a burr removal method for milling, which is characterized in that the burr generated on one end surface of the workpiece W is removed by cutting with a depth of cut h1 by moving the workpiece W backward by a small amount. That is, a processing method was adopted in which burrs in one direction of the burrs generated in two directions on the workpiece were removed by cutting with a milling cutter that cut the top surface.
「実施例」
以下、本発明ミーリング加工の除バリ加工法を
図面に示す実施例で説明する。第２図に示すコネ
クテイング・ロツド５の重量バランス修正加工に
おいて、ロツド両端のウエイト突部５ａ，５ｂを
各ミーリングカツター（大径の正面フライス）
１，１′の多数のチツプ１ａ…１a′…で切削加工
するものである。尚、ミーリングカツター１，
１′のカツター逃し面１ｂとはチツプ１ａの切削
ポイントよりカツター逃し深さｘだけ逃げた面で
ある。上述ミーリングカツター１，１′は、ワー
クとなるウエイト突部５ａ，５ｂに対して所定の
切込量となるよう、コネクテイング・ロツド５側
へ接近すると共に、回転駆動させながら切削送り
される。本発明におけるミーリングカツター１の
送り軌跡は、第１図にワークと最初に接する最右
端のチツプ１ａで示されている。即ち、原点ａに
あるカツター１のチツプ１ａは、ウエイト突部５
ａ側への移動でｂ点に移動すると、所定の切込量
ｈとなり、ここからカツター１を所定の切削速度
で移動（送り方向）させて突部５ａからチツプ１
ａが右側へ外れる点ｃで切削加工を完了する。次
にカツター１のチツプ１ａをｃ点からｄ点まで少
量移動させると新たな切削面５a′から少量の切込
量h1（実施例では0.05〜1.0の範囲）が与えられ、
このｄ点からｅ点まで切削時の送り方向と逆方向
に後退させることによつてチツプ１ａはウエイト
突部縁５a″側のバリW′を切削排除する。次にｆ
点へチツプ１ａを離反し、最初の原点ａへ復帰さ
せて除バリ加工サイクルは終了する。この加工サ
イクル線図はロツド５の小径端のミーリングカツ
ター１′も同様であり、その切込量ｈ，h1はコネ
クテイング・ロツド５の両端重量バランスの修正
量を予めコンピユータ処理して求められる。"Example" Hereinafter, the burr removal processing method for milling processing of the present invention will be explained with reference to the embodiment shown in the drawings. In the process of correcting the weight balance of the connecting rod 5 shown in Fig. 2, the weight protrusions 5a and 5b at both ends of the rod are cut using milling cutters (large-diameter face milling cutters).
Cutting is performed using a large number of chips 1a, 1', 1a, 1a', . In addition, milling cutter 1,
The cutter relief surface 1b of 1' is a surface that escapes from the cutting point of the chip 1a by a cutter relief depth x. The milling cutters 1, 1' approach the connecting rod 5 side and are fed to cut while being rotated so as to make a predetermined depth of cut into the weight protrusions 5a, 5b, which are the workpieces. . The feed locus of the milling cutter 1 in the present invention is shown in FIG. 1 by the rightmost tip 1a that first contacts the workpiece. That is, the tip 1a of the cutter 1 located at the origin a is located at the weight protrusion 5.
When moving to point b by moving toward the a side, the predetermined depth of cut h is reached, and from there, the cutter 1 is moved at a predetermined cutting speed (feeding direction) to cut the chip 1 from the protrusion 5a.
The cutting process is completed at point c, where point a comes off to the right. Next, when the tip 1a of the cutter 1 is moved by a small amount from point c to point d, a small amount of cut h 1 (in the range of 0.05 to 1.0 in the embodiment) is given from the new cutting surface 5a'.
By retreating from point d to point e in the opposite direction to the feed direction during cutting, the chip 1a cuts away the burr W' on the weight protrusion edge 5a'' side. Next, f
The chip 1a is moved away from the point and returned to the initial origin a, thereby completing the deburring cycle. This machining cycle diagram is the same for the milling cutter 1' at the small diameter end of the rod 5, and its depth of cut h, h1 is determined in advance by computer processing of the correction amount of the weight balance at both ends of the connecting rod 5. It will be done.
次に、本発明ミーリング加工の除バリ加工法に
よるウエイト突部５ａの加工状況を説明する。
尚、ウエイト突部５ｂについてはウエイト突部５
ａと略同一なので省略する。時計方向に回転する
ミーリングカツター１を所定の切込量ｈとなるま
でロツド５側へ接近させた時、このミーリングカ
ツター１はウエイト突部５ａに対して第２図ロの
実線位置にある。ここからミーリングカツター１
をｃ点まで切削送り速度で送ると（第２図ロの一
点鎖線）、突部５ａの端面５a′が切削加工される
と共にミーリングカツターの回転方向及び送り方
向側となるウエイト突部５ａの２辺縁５a″，５ａ
に第３図の如く各々バリW′，W″が発生する。 Next, the processing status of the weight protrusion 5a by the burr removal method of the milling process of the present invention will be explained.
In addition, regarding the weight protrusion 5b, the weight protrusion 5
Since it is almost the same as a, it will be omitted. When the milling cutter 1 rotating clockwise approaches the rod 5 side until the predetermined cutting depth h is reached, the milling cutter 1 is located at the solid line position in FIG. 2B with respect to the weight protrusion 5a. . From here, milling cutter 1
When the weight protrusion 5a is fed at the cutting feed rate to point c (dotted chain line in Figure 2), the end face 5a' of the protrusion 5a is cut and the weight protrusion 5a, which is on the rotational and feeding direction side of the milling cutter, is cut. 2 edges 5a″, 5a
As shown in FIG. 3, burrs W' and W'' are generated, respectively.
尚、ミーリングカツターの移動点ｃ点とは、被
切削面であるウエイト突部５ａを切削完了して、
ウエイト突部５ａがミーリングカツターの逃し面
１ｂ内に入つた状態のミーリングカツターの切削
送り方向側の最先端位置のチツプを示している。 Note that the moving point of the milling cutter, point c, is the point at which the milling cutter has completed cutting the weight protrusion 5a, which is the surface to be cut.
The tip is shown at the most extreme position on the cutting feed direction side of the milling cutter with the weight protrusion 5a entering the relief surface 1b of the milling cutter.
また、バリ切削排除のための切込量h1（ｃ，ｄ
点間距離）はカツター逃し深さｘよりも小さな値
とし、ｃ点よりｄ点にミーリングカツターを移動
させても、ワークとカツターが干渉しない寸法で
ある。 In addition, the depth of cut h 1 (c, d
The distance between the points) is set to a value smaller than the cutter relief depth x, and is a dimension in which the workpiece and cutter do not interfere even if the milling cutter is moved from point c to point d.
ｅ点は、ウエイト突部５ａの一方向の突部縁に
生ずるバリを完全に切削排除したカツター位置で
あつて、切削面５a′の切削送り方向と正反対の方
向にある点で、実施例ではワーク端面より0.5mm
程度切込量h1の切削加工をすることによつて、こ
の目的を達成したミーリングカツターのチツプ位
置である。 Point e is the cutter position where the burrs generated on the protrusion edge in one direction of the weight protrusion 5a have been completely removed, and is located in the opposite direction to the cutting feed direction of the cutting surface 5a'. 0.5mm from the workpiece end surface
This is the tip position of a milling cutter that achieved this objective by cutting with a depth of cut h1 .
このｅ点はカツター径及びワークとカツターの
位置関係によつて適宜選択される。 This point e is appropriately selected depending on the diameter of the cutter and the positional relationship between the workpiece and the cutter.
第３図ロのように切削送り方向側の突部縁５
a″に発生したバリW′が切削排除され、この部分
に切込量h1の低面５ｃが形成される。 As shown in Fig. 3B, the protrusion edge 5 on the cutting feed direction side
The burr W' generated at a'' is removed by cutting, and a lower surface 5c with a depth of cut h1 is formed at this portion.
また上述ｅ点におけるミーリングカツター１と
突部５ａとの関係位置は、第２図ロの二点鎖線と
なる。そして、上述位置（ｅ点）からミーリング
カツター１はｆ点を介して原点ａへ戻され、加工
サイクルを終了する。 Further, the relative position between the milling cutter 1 and the protrusion 5a at the above-mentioned point e is indicated by the two-dot chain line in FIG. 2B. The milling cutter 1 is then returned from the above-mentioned position (point e) to the origin a via point f, and the machining cycle is completed.
而る後、バリ取りツール２により突部縁５ａ
に発生したバリW″が排除される。このバリ取り
作業は一辺だけであるから簡易な方法でのバリ取
り作業が可能である。 After that, the protrusion edge 5a is removed using the deburring tool 2.
This eliminates the burr W'' that has occurred on the surface. Since this deburring work is only done on one side, it is possible to deburr it using a simple method.
ここで、上述コネクテイング・ロツドの重量バ
ランス修正工程を第４図のフローチヤートで簡単
に説明する。先ず、ワーク（ロツド５）のローデ
イング後に、ワークの重さ・長さ計測を行い、ウ
エイト突部５ａ，５ｂに対するワーク修正量の演
算が行われ、各ミーリングカツター１，１′の切
込量ｈ，h1が設定される。この後、ワーク修正量
の切削加工とバリ取り作業を行い、ワークの長
さ、重さバランスを計測する。ここで、ワークの
長さ不足が生じたものは完全不良品として排除さ
れる一方、重さバランス不良となつたものは再び
ワーク修正量の演算へフイードバツクされ、ここ
で改めてワーク修正に必要な切込量が設定され、
切削加工後に計測して良品となつたワークがアン
ローデイングされる。 Here, the process of correcting the weight balance of the connecting rod described above will be briefly explained with reference to the flowchart of FIG. First, after loading the workpiece (rod 5), the weight and length of the workpiece are measured, and the amount of workpiece correction for the weight protrusions 5a and 5b is calculated, and the depth of cut of each milling cutter 1 and 1' is calculated. h, h1 are set. After this, cutting and deburring work is performed to correct the workpiece, and the length and weight balance of the workpiece are measured. Here, workpieces with insufficient length are rejected as completely defective products, while workpieces with unbalanced weight are fed back to the workpiece correction amount calculation, where the cutting required for workpiece correction is again performed. amount is set,
Workpieces that have been measured and found to be good after cutting are unloaded.
尚、本発明の除バリ加工法は、上述一実施態様
に限定されるものではなく、切削面５a′に低面５
ｃが生じてもよいすべてのワークを対象とするこ
とができる。また、ミーリングカツターの送りを
とめワークの移動で切削送りを掛けるようにして
もよい。 Incidentally, the burr removal processing method of the present invention is not limited to the above-mentioned embodiment, and the lower surface 5 is formed on the cutting surface 5a'.
All workpieces in which c may occur can be targeted. Alternatively, the feed of the milling cutter may be stopped and the cutting feed may be applied by moving the workpiece.
「効果」
以上の如く、本発明ミーリング加工の除バリ加
工法によるときは、ミーリングカツター１，１′
の刃先円直径内で、カツター逃し深さｘを有する
カツター逃し面１ｂ内にワークの切削加工面が入
るカツターホルダー形状をしたミーリングカツタ
ー１，１′を用いて、ワークＷを切削加工後、ワ
ークＷの切削加工面がカツター逃し面１ｂ内にあ
る状態のカツター位置において、ミーリングカツ
ター１，１′にカツター逃し深さｘよりも小さな
切込量h1を与え前記切削加工の方向と反対方向に
ミーリングカツター１，１′を少量後退移動させ
てワークＷの一端面に生じたバリを切込量h1の切
削加工と共に切削排除させることを特徴とするミ
ーリング加工の除バリ加工法としたから、ワーク
の二方向に生じた一方向側のバリを面切削加工を
したミーリングカツターを利用して切削排除させ
ることが可能であるので、バリ取り作業が一辺だ
けで良いから高価なバリ取り機械を必要としない
し、容易にバリ取り作業が可能となるなどの効果
が期待される。"Effect" As described above, when using the burr removal method of milling of the present invention, the milling cutters 1, 1'
After milling the workpiece W using milling cutters 1 and 1' having a cutter holder shape in which the cut surface of the workpiece is placed within the cutter relief surface 1b having a cutter relief depth x within the cutting edge diameter of , at the cutter position where the cutting surface of the workpiece W is within the cutter relief surface 1b, give the milling cutters 1, 1' a cutting depth h 1 smaller than the cutter relief depth x, and match the direction of the cutting process. A burr removal method for milling processing, which is characterized by moving the milling cutters 1, 1' backward a small amount in the opposite direction to remove burrs generated on one end surface of the workpiece W together with the cutting process with a depth of cut h1 . Therefore, it is possible to use a milling cutter with surface cutting to remove the burrs that occur on one side of the workpiece in two directions, so deburring only needs to be done on one side, eliminating the need for expensive work. It is expected that a deburring machine will not be required and the deburring work will be easier.
第１図は本発明方法によるカツター送りの軌跡
図とワーク断面図、第２図はコネクテイング・ロ
ツドの両端を本発明方法によつて加工するミーリ
ングカツターとコネクテイング・ロツドの関係を
示す側面図とミーリングカツターの移動図、第３
図はバリの発生と切削排除の状況を示すワーク端
面図、第４図はコネクテイング・ロツドの重量バ
ランス修正加工方法のフローチヤート、第５図は
ワークに対するミーリングカツターの従来切削方
法を示すカツター送りの軌跡図とワーク断面図、
第６図はミーリングカツターの従来切削方法によ
つて発生したバリの状況を示すワーク端面図であ
る。
１，１′……ミーリングカツター、１ａ，１
a′……チツプ、２，３……バリ取りツール、５…
…コネクテイング・ロツド、Ｗ……ワーク、W′，
W″……バリ、５ａ，５ｂ……ウエイト突部、５
a′……切削面（端面）、５a″，５ａ……ウエイ
ト突部縁、５ｃ……底面、ａ〜ｆ……カツターの
送り軌跡、ｈ，h1……切込量。
Fig. 1 is a cutter feed locus diagram and a cross-sectional view of a workpiece according to the method of the present invention, and Fig. 2 is a side view showing the relationship between the milling cutter and the connecting rod for processing both ends of the connecting rod using the method of the present invention. Figure and milling cutter movement diagram, 3rd
The figure is an end view of a workpiece showing the occurrence of burrs and removal by cutting, Figure 4 is a flowchart of a connecting rod weight balance correction processing method, and Figure 5 is a cutter showing the conventional cutting method of a milling cutter for a workpiece. Feed trajectory diagram and workpiece cross-section diagram,
FIG. 6 is an end view of a workpiece showing the state of burrs generated by the conventional cutting method of a milling cutter. 1,1'...milling cutter, 1a,1
a′...Chip, 2, 3...Deburring tool, 5...
...Connecting rod, W...Work, W',
W″...Flash, 5a, 5b...Weight protrusion, 5
a'... Cutting surface (end surface), 5a'', 5a... Weight protrusion edge, 5c... Bottom surface, a to f... Cutter feed locus, h, h 1 ... Cutting amount.
Claims (1)
で、カツター逃し深さｘを有するカツター逃し面
１ｂ内にワークの切削加工面が入るカツターホル
ダー形状をしたミーリングカツター１，１′を用
いて、ワークＷを切削加工後、ワークＷの切削加
工面がカツター逃し面１ｂ内にある状態のカツタ
ー位置において、ミーリングカツター１，１′に
カツター逃し深さｘよりも小さな切込量h1を与え
前記切削加工の方向と反対方向にミーリングカツ
ター１，１′を少量後退移動させてワークＷの一
端面に生じたバリを切込量h1の切削加工と共に切
削排除させることを特徴とするミーリング加工の
除バリ加工法。1 Using milling cutters 1, 1' having a cutter holder shape in which the cut surface of the workpiece is placed within the cutter relief surface 1b having a cutter relief depth x within the cutting edge diameter of the milling cutters 1, 1'. After cutting the workpiece W, at the cutter position where the cutting surface of the workpiece W is within the cutter relief surface 1b, the milling cutters 1 and 1' have a depth of cut h 1 smaller than the cutter relief depth x. The milling cutters 1, 1' are moved backward by a small amount in the direction opposite to the direction of the cutting process to remove the burr generated on one end surface of the workpiece W while performing the cutting process with a depth of cut h1 . Deburring method for milling.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13035785A JPS61288912A (en) | 1985-06-15 | 1985-06-15 | Cutting method removing burr in milling |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP13035785A JPS61288912A (en) | 1985-06-15 | 1985-06-15 | Cutting method removing burr in milling |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS61288912A JPS61288912A (en) | 1986-12-19 |
| JPH0526601B2 true JPH0526601B2 (en) | 1993-04-16 |
Family
ID=15032446
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP13035785A Granted JPS61288912A (en) | 1985-06-15 | 1985-06-15 | Cutting method removing burr in milling |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS61288912A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239439A (en) * | 1988-03-18 | 1989-09-25 | Fuji Photo Film Co Ltd | Surface inspecting device |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0623379Y2 (en) * | 1987-02-17 | 1994-06-22 | 豊田工機株式会社 | Milling unit with chamfering bite |
-
1985
- 1985-06-15 JP JP13035785A patent/JPS61288912A/en active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01239439A (en) * | 1988-03-18 | 1989-09-25 | Fuji Photo Film Co Ltd | Surface inspecting device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPS61288912A (en) | 1986-12-19 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| LAPS | Cancellation because of no payment of annual fees |