JPS58171230A - Rotary tool holder - Google Patents

Rotary tool holder

Info

Publication number
JPS58171230A
JPS58171230A JP5483282A JP5483282A JPS58171230A JP S58171230 A JPS58171230 A JP S58171230A JP 5483282 A JP5483282 A JP 5483282A JP 5483282 A JP5483282 A JP 5483282A JP S58171230 A JPS58171230 A JP S58171230A
Authority
JP
Japan
Prior art keywords
tool
insertion groove
adjusting screw
adjustment screw
rotary tool
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
Application number
JP5483282A
Other languages
Japanese (ja)
Other versions
JPH0225724B2 (en
Inventor
Toshio Takarada
宝田 利夫
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nachi Fujikoshi Corp
Original Assignee
Nachi Fujikoshi Corp
Fujikoshi KK
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Nachi Fujikoshi Corp, Fujikoshi KK filed Critical Nachi Fujikoshi Corp
Priority to JP5483282A priority Critical patent/JPS58171230A/en
Publication of JPS58171230A publication Critical patent/JPS58171230A/en
Publication of JPH0225724B2 publication Critical patent/JPH0225724B2/ja
Granted legal-status Critical Current

Links

Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B23MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23BTURNING; BORING
    • B23B31/00Chucks; Expansion mandrels; Adaptations thereof for remote control
    • B23B31/02Chucks
    • B23B31/10Chucks characterised by the retaining or gripping devices or their immediate operating means
    • B23B31/12Chucks with simultaneously-acting jaws, whether or not also individually adjustable
    • B23B31/20Longitudinally-split sleeves, e.g. collet chucks
    • B23B31/208Longitudinally-split sleeves, e.g. collet chucks with a tool positioning stop

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Jigs For Machine Tools (AREA)
  • Gripping On Spindles (AREA)

Abstract

PURPOSE:To contrive facilitation of tool exchange, by a method wherein an adjusting screw is made to serve as a driving piece as well as its own action of screw adjustment and a thrust load and machining torque are supported sufficiently by making a twisting direction of the adjusting screw into the reverse direction of a cutting edge of a tool. CONSTITUTION:A through hole 13 is provided in the center of a main body 1 of a holder and an adjusting screw 8 is screwed in the through hole 13 along a thread 14. A taper collet 4 is installed on the tip of the main body with a nut 5. An insertion groove 10 in which a tongue 9 provided on the rear end of a straight shank 3 of a tool 2 is insertable is provided on the lower end face of the adjusting screw 8 and a notch 16 is provided on the insertion groove 10 at the rear end face of the straight shank 3 by keeping in touch with an osculating face 15. As a twisting direction of the adjusting screw is in the reverse direction of that of a cutting edge of the tool 2, a protrusion length of the tool can be decided by turning it.

Description

【発明の詳細な説明】 本発明は、金属加工を行う工作機械等に使用さ扛るスト
レートシャンクをもった回転工具の保持具の改良に関す
る。
DETAILED DESCRIPTION OF THE INVENTION The present invention relates to an improvement in a holder for a rotary tool with a straight shank used in a machine tool for metal processing.

金属加工を行う工作機械等に使用さ扛るドリル、エンド
ミル、リーマ等のストレートシャンクを持った回転工具
を保持する保持具の従来の代表的なものとして、第1図
に示すように、保持具本体(1)に工具(2)のストレ
ートシャンク(3)を把持するテーパコレット(4) 
(!: 、テーパコレットを締付けるナラ) (5) 
Th具えたものがある。このものではテーパコレット(
4)だけでスラスト荷重や切削トルクを受けているので
把持力が非常に弱く、切削中に過大なスラスト荷重や大
きい切削トルクがかかると、テーパコレット内で工具の
シャンクがスリップして保持真円に工具が押込1nたり
工具切刃にチッピングが発生する欠点がある。
As shown in Figure 1, the holder is a typical conventional holder for holding rotary tools with straight shanks such as drills, end mills, and reamers used in machine tools for metal processing. A taper collet (4) that grips the straight shank (3) of the tool (2) on the main body (1)
(!: , Oak that tightens the taper collet) (5)
There is something that has Th. This one has a taper collet (
4) The gripping force is very weak because the thrust load and cutting torque are applied only to the collet, and if an excessive thrust load or large cutting torque is applied during cutting, the shank of the tool will slip inside the taper collet and the holding force will be lost. However, there is a drawback that the tool may be pushed in 1n or chipping may occur on the cutting edge of the tool.

このような欠点を補うために第2図、第3図に示す回転
工具保持具が用いらnている。この工具では保持具本体
(1〕のシャンク部(6)全貫通する中心穴に工具の切
削トルクを受けるドライブピース(力とスラスト荷重を
受けると共に工具の突出し量を調整する調整ねじ(8)
が嵌め込’inている。ドライブピース(7)には特に
スラスト荷重や切削トルクの大キいドリル等のストレー
トシャンク(3)の後部に設けたタンク(9)が挿入さ
nる挿入溝α1が設けら扛ると共にピン0υが打込’+
:n、ビンの両端部は本体のシャンク部(6)に軸方向
にあけらnたキー溝αのに挿入さ扛、切削トルクを支え
るとともに、キー溝αつに沿って移動できるようになっ
ている。工具(2)にタンク(9)ラドライブピース(
7)の挿入溝α1に挿入してテーパコレット(4)で締
付けて固定さnているのでテーパコレット(4)だけで
把持する第1図の保持具と異なりスラスト荷重と切削ト
ルクを充分支えることができる。しかし機械に取付けて
使用する場合、切削中に工具が摩耗したり破損した場合
は、工具保持具(1)を機械に取付けた状態で工具の交
換はできるが、調整ねじ(8) fr:外部から操作で
きないので、工具突出量を調整することはできない。
In order to compensate for these drawbacks, a rotary tool holder shown in FIGS. 2 and 3 is used. In this tool, the shank part (6) of the holder body (1) has a drive piece that receives the cutting torque of the tool (an adjustment screw (8) that receives the force and thrust load and adjusts the protrusion amount of the tool) that completely passes through the center hole.
is inset. The drive piece (7) is provided with an insertion groove α1 into which a tank (9) provided at the rear of the straight shank (3) of a drill with a particularly large thrust load or cutting torque is inserted. '+'+
:N, both ends of the bottle are inserted into key grooves α bored in the axial direction in the shank part (6) of the main body, so that they support cutting torque and can move along the key grooves α. ing. Attach the tool (2) to the tank (9) and the rad drive piece (
Since it is inserted into the insertion groove α1 of 7) and fixed by tightening with the taper collet (4), it can sufficiently support the thrust load and cutting torque, unlike the holder shown in Fig. 1, which is held only with the taper collet (4). I can do it. However, when used while attached to a machine, if the tool becomes worn or damaged during cutting, the tool can be replaced with the tool holder (1) attached to the machine, but the adjustment screw (8) fr: external It is not possible to adjust the tool protrusion amount.

従って加工精度を要求さ扛るものにおいてに、その都度
機械力)ら保持具を取外して必要な工具突出量を合せる
ために、ドライバーやレンチなト’k (1つて調整ね
じを調整しなけ扛はならないなど非常に不便である。%
に自動車産業などで使用さ扛るトランスファーマシン等
に使用する場合機上での工具の交換、調整ができないの
でプリセットが困難である。又ドライブピース(7)の
ビンQl) n 上述(Dようにキー溝(12ヲ自在に
移動すると共に切削トルクを支えるがドライブピース収
納部の外径が小さくなると、キー溝を設けた分だけ強度
が小さくなり剛性に欠けるため製作上の制限を受けるな
どの大きい欠点がある。
Therefore, when machining requires high accuracy, it is necessary to remove the holder and adjust the adjustment screw using a screwdriver or wrench (mechanical force) to adjust the necessary tool protrusion. It is very inconvenient as it cannot be done.%
When used in transfer machines, etc. used in the automobile industry, presetting is difficult because tools cannot be replaced or adjusted on the machine. Also, the drive piece (7) bottle Ql) n As mentioned above (D), the keyway (12) moves freely and supports the cutting torque, but if the outer diameter of the drive piece housing becomes smaller, the strength will be reduced by the amount of the keyway provided. It has major disadvantages such as small size and lack of rigidity, which imposes restrictions on manufacturing.

本発明は上に述べたような従来の問題点を解決しようと
するもので、ドライブピースを設ける代りに調整ねじ自
体に工具のタンクを挿入する当接面を有する挿入溝を設
けてタンクの挿入を可能とすると共に調整ねじのねじ往
方向を、工具の切刃の方向の反対方向とした回転工具保
持具に関するものである。
The present invention attempts to solve the above-mentioned conventional problems, and instead of providing a drive piece, the adjustment screw itself is provided with an insertion groove having an abutment surface for inserting the tank of the tool, so that the tank can be inserted. The present invention relates to a rotary tool holder that allows the adjustment screw to move forward in the direction opposite to the direction of the cutting edge of the tool.

次に本発明の実施例を図面について説明する0なお、第
1図乃至第3図の保持具と均等の部分には同一の符号を
付けである。第4図において保持具本体(1)には中心
に貫通穴(13があけらn1調整ねしく8)が本件の後
端(図でに上方)から貫通穴α1のねじαゆにそってね
じ適才nている。本体の先端にはテーパコレット(4)
がナツト(5)により取付けら扛ている。工具(2)の
ストレートシャンク(3)の後端に設けらnたタンク(
9)全挿入できる挿入清明が調整ねじ(8)の下端面に
設けら扛ており、挿入溝α1にはストレートシャンク(
3)の後端面に当接面(ロ)に接して切欠けuQが設け
らnている。調整ねじ(8)のねじれ方向は工具が右刀
工其の場合は左ねじとし、左刀工其の場合は右ねじとし
である。このように工視111よ 具の切刃の方向と調整ねじのねじ往方向が右と左、左と
右というように左右が逆に表現さ扛るときをここでは反
対方向と呼ぶことにする。そして第4図の実施例では調
整ねじ(8)のねじは左ねじてあり工具(2)の切刃は
有刃でお互に反対方向としである。
Next, embodiments of the present invention will be described with reference to the drawings.Note that parts equivalent to the holders in FIGS. 1 to 3 are given the same reference numerals. In Figure 4, a through hole (13 is drilled in the center of the holder body (1) and the adjustment number n1 is 8) is screwed from the rear end (upper side in the figure) along the screw α of the through hole α1. He has the right talent. Taper collet (4) at the tip of the main body
is attached with a nut (5). A tank (
9) A straight shank that can be fully inserted is provided on the lower end surface of the adjustment screw (8), and a straight shank (
3) A notch uQ is provided on the rear end surface in contact with the contact surface (b). The twisting direction of the adjustment screw (8) is a left-hand thread when the tool is a right-hand tool, and a right-hand thread when a left-hand tool is used. In this way, when the direction of the cutting edge of the tool and the forward direction of the adjustment screw are expressed as right and left, left and right, etc., the left and right directions are referred to as opposite directions. . In the embodiment shown in FIG. 4, the adjusting screw (8) has a left-handed thread, and the cutting edge of the tool (2) is toothed and oriented in opposite directions.

今タンク付のストレートシャンク(3)ヲナット(5)
の開口から挿入しタンク(9)を調整ねじ(8)の挿入
溝(]0に挿入する。タンク(9)の後端面が挿入溝(
11の溝底に当接すると工具を手で回しながら突出量を
調整する。調整ねじ(8)のねじに左ねじとなっている
ので、工具を右回転させると、調整ねじ(8)ハ図にお
いて下方に下って来て工具(2)ハ突き出さ扛る。
Straight shank with tank (3) and nut (5)
Insert the tank (9) from the opening of the adjustment screw (8) into the insertion groove ( ]0.The rear end surface of the tank (9) should fit into the insertion groove ( )
When it comes into contact with the bottom of the groove No. 11, adjust the amount of protrusion by turning the tool by hand. Since the adjusting screw (8) has a left-handed thread, when the tool is rotated clockwise, the adjusting screw (8) will come down in the figure and the tool (2) will stick out.

工具を左回転させると調整ねじ(8)ニ上方に上って工
具は押込1′nる。このように工具を右又は左に回転さ
せることに工9工其の突出し長さを決めることができる
ので、機械に保持具を取付けた11で、外部力)ら他の
調整工具を必要とせず、工具そのもので工具の突出量を
容易に調整することができる。
When the tool is rotated to the left, the adjustment screw (8) rises upward and the tool is pushed in 1'n. In this way, the protrusion length of the tool can be determined by rotating the tool to the right or left, so when the holder is attached to the machine, there is no need for any other adjustment tool (external force). , the protrusion amount of the tool can be easily adjusted using the tool itself.

工具の突出量が決すると、ナラ) (5) k締めつけ
る。締め付けらfliテーパコレット(4) H本体の
テ−パ面0ηにそって図において上方へ押し上げら扛、
テーパコレットFiたわんで内周面α印でストレートシ
ャンク(3)の外周面を圧して強力に把持する。
Once the protrusion amount of the tool is determined, tighten (5) k. Tighten the taper collet (4) and push it upward in the figure along the taper surface 0η of the H body.
The tapered collet Fi bends and presses the outer circumferential surface of the straight shank (3) with the inner circumferential surface α mark to strongly grip it.

切削中に過大な切削トルクが工具にかかり、テーパコレ
ット内で工具がスリップすると、工具のタンクにエリ調
整ねじに本体(1)に対して回転して下方に進み当然工
具(2)も押し下げら扛る。しかし工具は被加工物につ
き当っているためむしろ工具ハ調整ねじ(8)全押上げ
る状態となりこの押上げる力にエリ更に調整ねじ(8)
にロック作用が作用してスラスト荷重や切削トルクを充
分支えることができる。即ち調整ねじ(8)11?:タ
ングの挿入溝αOを設けることにより、本発明の調整ね
じ(8) Fi、第2図、第3図に示す従来の保持具に
おける調整ねじ(8〕とドライブピース(7)の両方の
機能も兼備するのである。
If excessive cutting torque is applied to the tool during cutting and the tool slips inside the taper collet, the tool's tank and edge adjustment screw will rotate relative to the main body (1) and move downward, which naturally pushes down the tool (2) as well. to snatch However, since the tool is in contact with the workpiece, the tool is pushed up completely by the adjustment screw (8), and due to this pushing up force, the adjustment screw (8) is pushed up.
A locking action is applied to the shaft, and the thrust load and cutting torque can be sufficiently supported. That is, adjustment screw (8) 11? : By providing the tongue insertion groove αO, the adjusting screw (8) of the present invention functions as both the adjusting screw (8) and the drive piece (7) in the conventional holder shown in FIGS. 2 and 3. It also has the following.

と 調整ねじ(8)に桂切欠けoQが設けておけば、工具の
回転が押しもどさnた場合、タングにより挿入溝(11
が押し広げらn1押し広げらnた調整ねじ(8)は更に
本体のねじαゆ部に喰込んで強力にロックさ扛るので、
工具の切削トルクを充分に支えることができる。
If a Katsura notch oQ is provided on the adjusting screw (8), when the rotation of the tool is pushed back, the tongue will open the insertion groove (11).
The adjustment screw (8) that has been pushed out and pushed out further bites into the threaded part of the main body and is strongly locked.
It can sufficiently support the cutting torque of the tool.

実験によると本発明による保持具の把持力にテーパコレ
ットだけの場合に比較して調整ねじのロック相乗効果に
よって25倍以上である。本発明は丑た調整ねじ(8)
にタンクの挿入溝(11’に設け、更に有刃T共の場合
に左ねじを、左刀工其の場合は右ねじというように反対
方向のねじ扛方向をもつ調整ねじを用いることによって
、調整ねじ(8)に調整ねじ作用とドライブピース作用
を兼ねさせ、スラスト荷重、切削トルクを充分に支える
ことができる。また工具交換が容易で、工具突出量の調
整も他の工具を用いず、切削工具自身で外部から簡単に
できるので、トランスファマシンやマシニングセンタ等
にも容易に使用することができる。更にキー溝が無いの
で剛性に優扛巾広い寸法の工具に適用することができる
し、壕タドライブビースも必要でなく構造が簡単で製作
容易であるなど多くの利点を有する。
According to experiments, the gripping force of the holder according to the present invention is 25 times or more compared to the case of using only a taper collet due to the synergistic locking effect of the adjusting screw. The present invention is an ox adjustment screw (8)
Adjustment can be made by providing an insertion groove (11') in the tank, and using an adjustment screw with opposite threading directions, such as a left-hand thread for both bladed T and a right-hand thread for left-hand tools. The screw (8) has both an adjustment screw function and a drive piece function, and can sufficiently support the thrust load and cutting torque.In addition, tool replacement is easy, and the tool protrusion can be adjusted without using other tools. Since it can be easily done externally on the tool itself, it can be easily used in transfer machines, machining centers, etc.Furthermore, since there is no keyway, it has excellent rigidity and can be applied to tools of a wide range of dimensions. It has many advantages such as no need for a drive bead, simple structure, and easy manufacture.

尚第5図乃至第7図は調整ねじ(8)に施さnた切欠け
の他の実施例を示踵第5図では切欠けoQに加えて軸方
向スリット状の切欠け(t6a)2有し、第6図では挿
入溝(11の底部に三角状の切欠き(工6b)を設け、
第4図および第5図(および第7図)において有するよ
うな軸方向にほぼ平行な対向する2個の平面を有する当
接面四にひきつづく、タン他に円筒形の切欠け(160
) ’i設けである。このように切欠けとしては種々の
形状のものを設けることができる。
In addition, FIGS. 5 to 7 show other embodiments of notches made on the adjustment screw (8). In FIG. However, in Fig. 6, a triangular notch (6b) is provided at the bottom of the insertion groove (11),
A cylindrical notch (160
) 'i is provided. In this way, the notches can be provided in various shapes.

第8図および第9図はさらに異る実施例を示し、調整ね
じ(8a)の挿入溝(10a) Hストレートシャンク
(3a)とタンク(9a)の後端面(19との当接面(
1sa)は軸方向に相互に対向して傾斜した先細りの2
個の平面を有する。挿入溝(1Oa)にはさらに当接面
につづく軸方向(16d)および半径方向(16θ)切
欠けがある。従ってストレートシャンク(3)のタンク
(9a)の後端面(l!1も相互に対向して傾斜した先
細りの補合形状ケした2個の平面を有する0力゛がる形
状とすることにJ:り・工具(2a)に切削中に過大な
切削トルクがか\9、テーパコレット(4)内でシャン
ク(3a)がスリップすると、タング(9a) n挿入
溝(I Ua)に押し込1n1タンク(9a)の傾斜し
た後端面(11が調整ねじ(8a)の当接面(15a)
を押し広げるので、調整ねじ(8a)[本体(11のね
じo4に喰い込んで強力にロックさ扛、スラスト荷重、
切削トルクを充分支えることになる。即ち第4図乃至第
7図に示f、J:つな軸にほぼ平行な対向する2個の平
面を有する当接面(19を有する調整ねしく8)におい
ては、挿入溝曲内でがたが生じ、その分だけロック作用
が遅扛るが、第8図第9図に示すものでは、斜面である
当接面(15a)とタンク(9a)の後端面01とは常
に密着状態にあるノテ感度がよく、異常なトルクがかか
つても調整ねじ(8a)は瞬時にロック作用をし充分切
削トルクを支えることができ、支障なく正常な切削を続
けることができる・・
Figures 8 and 9 show further different embodiments, including an insertion groove (10a) for the adjustment screw (8a), a contact surface (19) between the H straight shank (3a) and the rear end surface (19) of the tank (9a).
1sa) are two tapered tapered sections facing each other in the axial direction.
has planes. The insertion groove (1Oa) further has axial (16d) and radial (16θ) notches that continue to the abutment surface. Therefore, the rear end surface (l!1) of the tank (9a) of the straight shank (3) is also designed to have a biased shape with two flat surfaces facing each other and having a tapered complementary shape. : If excessive cutting torque is applied to the tool (2a) during cutting, and the shank (3a) slips inside the taper collet (4), the tongue (9a) will be pushed into the n insertion groove (I Ua)1n1 The inclined rear end surface of the tank (9a) (11 is the contact surface (15a) of the adjustment screw (8a))
As the adjustment screw (8a) is inserted into the body (screw O4 of 11 and locked firmly), the thrust load,
This will sufficiently support the cutting torque. That is, f, J shown in FIGS. 4 to 7: In the abutting surfaces (adjustable screws 8 with 19) having two opposing planes substantially parallel to the connecting axis, the insertion groove bends. However, in the case shown in FIGS. 8 and 9, the abutment surface (15a), which is a slope, and the rear end surface 01 of the tank (9a) are always in close contact with each other. The sensitivity is good, and even if abnormal torque is applied, the adjustment screw (8a) will instantly lock and be able to sufficiently support the cutting torque, allowing normal cutting to continue without any problems.

【図面の簡単な説明】[Brief explanation of the drawing]

第1図に従来の回転工具保持具の断面図、第2図は従来
の他の同転工具保持具の断rl++図で、第3図の■−
■断面を示し、第3図に第2図の側面図、第4図は本発
明の実施例の断面図、第5図、第6図、第7図、第8図
はいず扛も本発明に用いら扛る調整ねじの他の実施例を
示す断面図であり、第9図は第8図の挿入溝を示す斜視
図である。 (2) (2a)・・・回転工具 (3) (3a)・・・ストレートシャンク(4)・・
・・・・・・・テーパコレット(5)・・・・・・・・
・ナツト (8) (8al・・・調整ねじ (9) (9a)・・・タンク (10(1oa)・・・挿入溝 (1す(15a)・・・当接面 (16,16a、16b、160.16(1,160)
 −・−切欠は代理人弁理士  河 内 潤 二 磨4図 窮5図 第6図     第7図
Fig. 1 is a cross-sectional view of a conventional rotary tool holder, Fig. 2 is a cross-sectional view of another conventional rotary tool holder, and Fig. 3 -
■A cross-sectional view is shown; FIG. 3 is a side view of FIG. 2, FIG. 4 is a sectional view of an embodiment of the present invention, and FIGS. FIG. 9 is a sectional view showing another embodiment of the adjustment screw used in the adjustment screw, and FIG. 9 is a perspective view showing the insertion groove of FIG. 8. (2) (2a)...Rotary tool (3) (3a)...Straight shank (4)...
・・・・・・Taper collet (5)・・・・・・・・・
・Nut (8) (8al... Adjustment screw (9) (9a)... Tank (10 (1oa)... Insertion groove (15a)... Contact surface (16, 16a, 16b) , 160.16 (1,160)
-・-The notch is Jun Kawauchi's representative patent attorney Figure 4 Figure 5 Figure 6 Figure 7

Claims (1)

【特許請求の範囲】 (1)回転工具のストレートシャンクを把持するテーパ
コレットとテーパコレットを締付けるナツトと工具の突
出量を調整する調整ねじとを具え次回転工具保持具にお
いて、調整ねじにストレートシャンクのタンクを挿入す
る当接面を有する挿入溝を設け、調整ねじのねじn方向
を工具の切刃の方向の反対方向としたことを特徴とする
タンク付ストレートシャンク工具用の回転工具保持具。 (2、特許請求の範囲第1項に記載の回転工具において
、前記挿入溝に七〇の前記ストレートシャンクのタンク
の後端面との当接面に接し几切欠けを有することを特徴
とする回転工具保持具。 (3)特許請求の範囲第1kiたに第2項に記載の回転
工具において、前記挿入溝の当接面に軸方向にほぼ平行
な対向する2個の平面を有することを特徴とする回転工
具保持具。 (4〕特許請求の範囲第1項または第2項に記載の回転
工具において、前記挿入溝の当接面に、軸方向に相互に
対向して傾斜した先細りの2個の平面を有することを特
徴とする回転工具保持具。
[Claims] (1) A rotary tool holder is equipped with a taper collet for gripping the straight shank of a rotary tool, a nut for tightening the taper collet, and an adjustment screw for adjusting the amount of protrusion of the tool. A rotary tool holder for a straight shank tool with a tank, characterized in that an insertion groove is provided with an abutment surface into which a tank is inserted, and the thread n direction of the adjustment screw is opposite to the direction of the cutting edge of the tool. (2. The rotating tool according to claim 1, wherein the insertion groove has a cutout in contact with the contact surface of the straight shank with the rear end surface of the tank. Tool holder. (3) The rotary tool according to claim 1 and 2, characterized in that the abutment surface of the insertion groove has two opposing planes that are substantially parallel to the axial direction. (4) In the rotary tool according to claim 1 or 2, the abutment surface of the insertion groove is provided with two tapered tapered grooves facing each other in the axial direction. A rotary tool holder characterized by having two flat surfaces.
JP5483282A 1982-04-02 1982-04-02 Rotary tool holder Granted JPS58171230A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5483282A JPS58171230A (en) 1982-04-02 1982-04-02 Rotary tool holder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5483282A JPS58171230A (en) 1982-04-02 1982-04-02 Rotary tool holder

Publications (2)

Publication Number Publication Date
JPS58171230A true JPS58171230A (en) 1983-10-07
JPH0225724B2 JPH0225724B2 (en) 1990-06-05

Family

ID=12981613

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5483282A Granted JPS58171230A (en) 1982-04-02 1982-04-02 Rotary tool holder

Country Status (1)

Country Link
JP (1) JPS58171230A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6321503U (en) * 1986-07-25 1988-02-12
JPH0235607U (en) * 1988-08-29 1990-03-07
US20100143051A1 (en) * 2007-03-23 2010-06-10 Guehring Ohg Ball raceway milling device, tool having a ball raceway milling device, and method for the application of a ball raceway milling device
CN102980497A (en) * 2012-11-19 2013-03-20 常州天山重工机械有限公司 General method for detecting conical degree of taper block or conical surface of finish machining taper block

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6321503U (en) * 1986-07-25 1988-02-12
JPH0141524Y2 (en) * 1986-07-25 1989-12-07
JPH0235607U (en) * 1988-08-29 1990-03-07
JPH0435051Y2 (en) * 1988-08-29 1992-08-20
US20100143051A1 (en) * 2007-03-23 2010-06-10 Guehring Ohg Ball raceway milling device, tool having a ball raceway milling device, and method for the application of a ball raceway milling device
CN102980497A (en) * 2012-11-19 2013-03-20 常州天山重工机械有限公司 General method for detecting conical degree of taper block or conical surface of finish machining taper block

Also Published As

Publication number Publication date
JPH0225724B2 (en) 1990-06-05

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