JPH0256522U - - Google Patents
Info
- Publication number
- JPH0256522U JPH0256522U JP13560788U JP13560788U JPH0256522U JP H0256522 U JPH0256522 U JP H0256522U JP 13560788 U JP13560788 U JP 13560788U JP 13560788 U JP13560788 U JP 13560788U JP H0256522 U JPH0256522 U JP H0256522U
- Authority
- JP
- Japan
- Prior art keywords
- tool
- cutting edge
- broaching tool
- cutting
- broaching
- 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.)
- Granted
Links
- 239000010953 base metal Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Milling, Broaching, Filing, Reaming, And Others (AREA)
Description
第１図は、この考案の一実施例を使用状態にし
て示す斜視図、第２図はクランクシヤフト円筒部
の取代を示す図、第３図は中仕上部の側面図、第
４図はその平面図、第５図は第４図のＸ―Ｘ線に
、第６図は同じくＹ―Ｙ線に沿つた断面図、第７
図は第４図の一部を拡大して示す平面図、第８図
はαを９°以下である場合のＴＡの配置を示す平
面図である。
１…中仕上部、２…粗加工部、３…仕上部、４
…ベース金具、５…本体、６…切刃、６ａ〜６ｅ
…ＴＡ、７…切屑ポケツト、８…リブ、９…粗加
工刃、１０…仕上刃。
Fig. 1 is a perspective view showing one embodiment of this invention in use, Fig. 2 is a view showing the machining allowance of the cylindrical part of the crankshaft, Fig. 3 is a side view of the semi-finished part, and Fig. 4 is the same. A plan view, Fig. 5 is a cross-sectional view taken along the line X-X in Fig. 4, and Fig. 6 is a sectional view taken along the Y-Y line in Fig.
This figure is a plan view showing an enlarged part of FIG. 4, and FIG. 8 is a plan view showing the arrangement of TA when α is 9 degrees or less. 1... Semi-finished part, 2... Rough processed part, 3... Finished part, 4
...Base metal fitting, 5...Main body, 6...Cutting blade, 6a-6e
...TA, 7...Chip pocket, 8...Rib, 9...Roughing blade, 10...Finishing blade.
Claims (1)
工具であつて、工具の幅方向に分割して工具長手
方向（送り方向）にステツプ配置した切刃を持ち
、かつ、各々の切刃の切屑ポケツトが工具本体の
側面の一方と上面にのみ開放し、他方の側面との
間にリブを有していることを特徴とするブローチ
工具。 (2) 切屑ポケツトの全てのコーナが滑らかなＲ
で切り上がつている請求項１記載のブローチ工具
。 (3) 分割切刃の各々をスローアウエイチツプで
構成し、さらに、工具の両側面部に配置するもの
以外の切刃チツプの幅方向傾き角を所定範囲内で
大きくして先行刃チツプの後部外端を後続刃チツ
プの刃先部内端よりも内側に位置させた請求項１
又は２に記載のブローチ工具。[Claims for Utility Model Registration] (1) A broaching tool for cutting the cylindrical part of a crankshaft, which has a cutting edge divided in the width direction of the tool and arranged in steps in the longitudinal direction (feeding direction) of the tool, and A broaching tool characterized in that the chip pocket of each cutting edge is open only on one side surface and the top surface of the tool body, and has a rib between it and the other side surface. (2) All corners of the chip pocket have smooth radii
The broaching tool according to claim 1, wherein the broaching tool has an upward cut. (3) Each of the divided cutting edges is composed of a throw-away tip, and the inclination angle in the width direction of the cutting edge tips other than those placed on both sides of the tool is increased within a predetermined range so that the cutting edges are arranged outside the rear of the leading edge tip. Claim 1, wherein the end is located inside the inner end of the cutting edge of the trailing blade tip.
Or the broaching tool according to 2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135607U JPH0731930Y2 (en) | 1988-10-18 | 1988-10-18 | Brooch tool |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988135607U JPH0731930Y2 (en) | 1988-10-18 | 1988-10-18 | Brooch tool |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0256522U true JPH0256522U (en) | 1990-04-24 |
| JPH0731930Y2 JPH0731930Y2 (en) | 1995-07-26 |
Family
ID=31395385
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988135607U Expired - Lifetime JPH0731930Y2 (en) | 1988-10-18 | 1988-10-18 | Brooch tool |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0731930Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147589A (en) * | 1978-05-05 | 1979-11-17 | Tool Ltd J P | Cutting tool and cutter inserting matter |
-
1988
- 1988-10-18 JP JP1988135607U patent/JPH0731930Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS54147589A (en) * | 1978-05-05 | 1979-11-17 | Tool Ltd J P | Cutting tool and cutter inserting matter |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0731930Y2 (en) | 1995-07-26 |