JPH09201702A - Numerically controlled machine tool with bar cutting function - Google Patents

Numerically controlled machine tool with bar cutting function

Info

Publication number
JPH09201702A
JPH09201702A JP1456596A JP1456596A JPH09201702A JP H09201702 A JPH09201702 A JP H09201702A JP 1456596 A JP1456596 A JP 1456596A JP 1456596 A JP1456596 A JP 1456596A JP H09201702 A JPH09201702 A JP H09201702A
Authority
JP
Japan
Prior art keywords
bar
tool
spindle
automatic chuck
cutting
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
JP1456596A
Other languages
Japanese (ja)
Other versions
JP3106291B2 (en
Inventor
Yoshimaro Hanaki
義麿 花木
Kazunari Itou
万成 伊藤
Original Assignee
Okuma Mach Works Ltd
オークマ株式会社
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 Okuma Mach Works Ltd, オークマ株式会社 filed Critical Okuma Mach Works Ltd
Priority to JP08014565A priority Critical patent/JP3106291B2/en
Publication of JPH09201702A publication Critical patent/JPH09201702A/en
Application granted granted Critical
Publication of JP3106291B2 publication Critical patent/JP3106291B2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Abstract

PROBLEM TO BE SOLVED: To constitute a whole machine in a small size and at a low cost, by stopping a bar in machining process, suppressing the vibration of a main spindle, processing a work with high accuracy, concurrently cutting the bar stock by the user of the rotation of the main shaft, and omitting an exclusive bar cutting device and an exclusive work feeding device. SOLUTION: A through hole 5a is formed at the center of a main spindle 5, and an automatic chuck 7 is installed on the tip of the main spindle 5. A long size of bar 6 is inserted in a guide pipe 15 from the rear side of the main spindle 5 by a bar stock feeding mechanism, and fed to the automatic chuck 7. A cutting tool 13 is built in the automatic chuck 7, while a machining tool and a grasping mechanism 9 are provided to the turret 8 of a tool rest. The cutting tool 13 rotates integrally with the main spindle 5 and cuts the bar 6, in the condition the grasping mechanism 9 holds the bar 6, and the automatic chuck 7 releases the bar 6. A work cut from the bar 6 is grasped by the chuck 7, and machined by the machining tool.

Description

【発明の詳細な説明】Detailed Description of the Invention
【0001】[0001]
【発明の属する技術分野】本発明は、長尺の棒材を切断
し、切断されたワークを旋削加工して、一本の棒材から
複数の製品を製作する棒材切断機能付数値制御工作機械
に関するものである。
BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a numerical control machine with a bar cutting function for cutting a long bar, turning the cut work, and manufacturing a plurality of products from a single bar. It is about machines.
【0002】[0002]
【従来の技術】NC旋盤等の数値制御工作機械におい
て、比較的小さな製品を加工する場合に、素材として長
尺の棒材を用いることがある。NC旋盤によるこの種の
加工方法として、従来、棒材供給装置により棒材を旋盤
の後方から加工部位に供給し、棒材を主軸と共に回転
し、棒材の先端部を所定形状に旋削したのちに、製品を
棒材から切り取る技術が知られている。棒材供給装置と
しては、特開昭56−76304号公報及び実開平3−
123601号公報に開示されたバーフィーダ等が公知
である。また、別の加工方法として、棒材を専用装置で
切断し、切断されたワークをロボット又はローダ等の供
給装置で旋盤に供給して加工する技術も知られている。
特開平4−46724号公報には、これらの棒材切断装
置及びワーク供給装置を旋盤に一体化した技術が開示さ
れている。
2. Description of the Related Art In a numerically controlled machine tool such as an NC lathe, a long bar may be used as a material when processing a relatively small product. Conventionally, this type of machining method using an NC lathe is performed by supplying a bar material from the rear of the lathe to a machining site by a bar material supplying device, rotating the bar material together with a spindle, and turning the tip end portion of the bar material into a predetermined shape. There is known a technique for cutting a product from a bar. As a bar material feeding device, Japanese Patent Laid-Open No. 56-76304 and 3-Kaihei 3-
The bar feeder and the like disclosed in Japanese Patent No. 123601 are known. As another processing method, there is also known a technology in which a bar is cut by a dedicated device and the cut work is supplied to a lathe by a supply device such as a robot or a loader to be processed.
Japanese Unexamined Patent Publication No. 4-46724 discloses a technique in which the bar cutting device and the work supply device are integrated into a lathe.
【0003】[0003]
【発明が解決しようとする課題】ところが、前者の従来
技術によると、棒材が主軸と共に回転するため、棒材の
振れまわりによって主軸全体に振動が発生し、これが加
工精度に悪影響を及ぼすという問題点があった。また、
後者の従来技術によると、専用の棒材切断装置及びワー
ク供給装置が必要となるため、旋盤が複雑化及び大型化
して高価になるという不具合があった。
However, according to the former prior art, since the bar member rotates together with the main shaft, the whirling of the bar member causes vibrations on the entire main shaft, which adversely affects the machining accuracy. There was a point. Also,
According to the latter conventional technique, there is a problem that a lathe becomes complicated and large in size and expensive because a dedicated bar cutting device and a work supply device are required.
【0004】そこで、本発明の課題は、主軸の振動を抑
制して、ワークを高精度に加工できるとともに、主軸の
回転を利用して棒材を切断することで、専用の棒材切断
装置及びワーク供給装置を省略でき、もって機械全体を
小型で安価に構成できる棒材切断機能付数値制御工作機
械を提供することにある。
SUMMARY OF THE INVENTION Therefore, an object of the present invention is to suppress vibration of the main spindle, process a workpiece with high accuracy, and use the rotation of the main spindle to cut the bar, so that a dedicated bar cutting device and It is an object of the present invention to provide a numerically controlled machine tool with a bar cutting function, which can omit the work supply device and thus can configure the entire machine in a small size and at a low cost.
【0005】[0005]
【課題を解決するための手段】上記の課題を解決するた
めに、本発明の棒材切断機能付数値制御工作機械は、主
軸台と、主軸台に回転可能に支持され棒材を通す貫通孔
を備えた主軸と、主軸の先端に取り付けられた自動チャ
ックと、棒材を貫通孔を通して自動チャックに供給する
棒材供給機構と、自動チャックと相対する位置で棒材の
先端を把持する把持機構と、把持機構が棒材を把持しか
つ自動チャックが棒材を解放した状態で主軸と一体に回
転して棒材を切断する切断刃具と、棒材から切断された
ワークを自動チャックに把持した状態で旋削する旋削工
具を備えた刃物台とから構成される。
In order to solve the above problems, a numerically controlled machine tool with a bar cutting function of the present invention is provided with a headstock and a through hole through which a bar is rotatably supported by the headstock. Spindle, an automatic chuck attached to the tip of the spindle, a bar material supply mechanism that supplies the bar material to the automatic chuck through a through hole, and a gripping mechanism that grips the tip end of the bar material at a position facing the automatic chuck. The cutting mechanism grips the bar and the automatic chuck rotates integrally with the spindle to cut the bar while the bar is released, and the workpiece cut from the bar is gripped by the automatic chuck. And a tool post equipped with a turning tool for turning in a state.
【0006】ここで、好ましくは、把持機構が旋削工具
と共に刃物台のタレットに旋回割出可能に設けられる。
Here, preferably, the gripping mechanism is provided on the turret of the tool post so as to be pivotally indexable together with the turning tool.
【0007】[0007]
【発明の実施の形態】以下、本発明をNC旋盤に具体化
した一実施形態を図面に基づいて説明する。図1に示す
ように、本実施形態のNC旋盤は、ベッド1と、ベッド
1上に固定された主軸台2と、主軸台2との相対位置を
任意に変更できるようにベッド1上にサドル25を介し
て移動可能に設けられた刃物台3と、ベッド1と分離し
て設置された素材ストッカ4とから構成されている。
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment in which the present invention is embodied in an NC lathe will be described below with reference to the drawings. As shown in FIG. 1, the NC lathe according to the present embodiment has a saddle on the bed 1 so that the relative positions of the bed 1, the headstock 2 fixed on the bed 1 and the headstock 2 can be arbitrarily changed. It comprises a tool rest 3 movably provided via 25 and a stocker 4 installed separately from the bed 1.
【0008】主軸台2には主軸5が軸受23(図2参
照)により回転可能に支持され、主軸5の中心には棒材
6を通す貫通孔5a(図2参照)が形成されるととも
に、主軸5の先端には棒材6を把持する自動チャック7
が取り付けられている。刃物台3にはタレット8が旋回
可能に装備され、タレット8には棒材6の先端を把持す
る把持機構9と、棒材6から切断されたワークを旋削す
る複数の旋削工具26とが取り付けられている。この場
合、把持機構9は旋削工具26と共にタレット8の旋回
に伴って割り出されるので、専用の割出機構を不要にで
きる利点がある。
A spindle 5 is rotatably supported by a bearing 23 (see FIG. 2) on the spindle stock 2, and a through hole 5a (see FIG. 2) through which a rod 6 is inserted is formed at the center of the spindle 5. An automatic chuck 7 for gripping the rod 6 is provided at the tip of the spindle 5.
Is attached. A turret 8 is rotatably provided on the tool rest 3, and a gripping mechanism 9 for gripping the tip of the bar 6 and a plurality of turning tools 26 for turning a work cut from the bar 6 are attached to the turret 8. Has been. In this case, since the gripping mechanism 9 is indexed along with the turning of the turret 8 together with the turning tool 26, there is an advantage that a dedicated indexing mechanism can be eliminated.
【0009】素材ストッカ4上には、棒材6の基端部を
受ける受台18と、棒材6のガイドパイプ15を支持す
る支持台17と、棒材6を押し出して自動チャック7に
供給する棒材供給機構19とが配設されている。棒材供
給機構19としては、前掲公報のバーフィーダ等を使用
でき、ここでは詳しい説明を省略する。主軸台2の後端
にはチャック駆動シリンダ16が設けられている。
On the material stocker 4, a pedestal 18 for receiving the base end of the bar 6, a support 17 for supporting the guide pipe 15 of the bar 6, and a bar 6 pushed out and supplied to the automatic chuck 7. And a rod material supply mechanism 19 for arranging. The bar feeder or the like described in the above publication can be used as the bar material supply mechanism 19, and a detailed description thereof will be omitted here. A chuck drive cylinder 16 is provided at the rear end of the headstock 2.
【0010】図2に示すように、把持機構9はタレット
8の旋回に伴い主軸軸線と整合する位置に割出可能であ
る。把持機構9には、棒材6を把持する複数の把持爪1
0がシリンダ又はモータ等の適宜のアクチュエータ(図
示略)により開閉可能に設けられるとともに、棒材6の
先端面が把持機構9に接触したことを感知する接触感知
センサ11が装着されている。
As shown in FIG. 2, the gripping mechanism 9 can be indexed to a position aligned with the spindle axis as the turret 8 turns. The gripping mechanism 9 includes a plurality of gripping claws 1 for gripping the rod 6.
0 is openably and closably provided by an appropriate actuator (not shown) such as a cylinder or a motor, and a contact detection sensor 11 that detects that the tip end surface of the rod 6 contacts the gripping mechanism 9 is mounted.
【0011】自動チャック7には、棒材6の先端部を切
断する突っ切りバイトに類似した切断刃具13と、切断
されたワークを把持する複数のチャック爪12とが装備
されている。チャック爪12はチャック駆動シリンダ1
6によりドローバー24を介してチャック半径方向へ自
動的に開閉される。なお、主軸5の貫通孔5aには、ま
ずドローバー24が、その内側にガイドパイプ15が、
さらに内側に棒材6が順次挿通されている。
The automatic chuck 7 is equipped with a cutting blade 13 similar to a cutting tool for cutting the tip of the bar 6, and a plurality of chuck claws 12 for gripping the cut work. Chuck claw 12 is chuck drive cylinder 1
6 automatically opens and closes in the radial direction of the chuck via the draw bar 24. In the through hole 5a of the main shaft 5, first, the draw bar 24, the guide pipe 15 inside,
Further, the bar member 6 is sequentially inserted inside.
【0012】切断刃具13は、自動チャック7の内部に
半径方向へ摺動自在に支持され、油圧シリンダ20のピ
ストンロッド14により棒材6から離れた位置と主軸5
の中心線と一致する位置との間で駆動される。油圧シリ
ンダ20は自動チャック7及び主軸5の油通路21,2
2及び主軸5基端の回転継手を介してNC旋盤の油圧ユ
ニットに接続されている。ピストンロッド14の前進及
び後進端位置はリミットスイッチにより検出され、これ
らの位置信号は主軸5基端のスリップリングを介しNC
旋盤の制御装置に伝送される。なお、中空の棒材6を加
工する場合は、リミットスイッチとは別の位置検出器を
用いて切断刃具13の刃先位置を無段階で制御するとよ
い。
The cutting blade 13 is supported inside the automatic chuck 7 so as to be slidable in the radial direction, and is separated from the rod 6 by the piston rod 14 of the hydraulic cylinder 20 and the spindle 5.
Driven between the centerline and the corresponding position. The hydraulic cylinder 20 is connected to the automatic chuck 7 and the oil passages 21 and 2 of the spindle 5.
It is connected to the hydraulic unit of the NC lathe via a rotary joint at the base end of 2 and the main shaft 5. The positions of the forward and backward ends of the piston rod 14 are detected by a limit switch, and these position signals are sent via a slip ring at the base end of the spindle 5 to the NC.
Transmitted to the lathe controller. When processing the hollow bar member 6, it is advisable to control the position of the cutting edge of the cutting blade 13 steplessly by using a position detector other than the limit switch.
【0013】次に、上記のように構成されたNC旋盤の
作用について説明する。加工に先立ち、まず、自動チャ
ック7において、棒材6が接触しないように、チャック
爪12が開放されるとともに、切断刃具13がチャック
半径方向の外側へ退避される。次いで、刃物台3が主軸
5に対し所定位置に位置決めされたのち、タレット8が
旋回され、把持機構9が主軸軸線と整合する位置に割り
出され、その把持爪10が開放される。
Next, the operation of the NC lathe constructed as described above will be described. Prior to the processing, first, in the automatic chuck 7, the chuck claws 12 are opened and the cutting blade 13 is retracted to the outside in the chuck radial direction so that the bar 6 does not come into contact. Next, after the tool rest 3 is positioned at a predetermined position with respect to the spindle 5, the turret 8 is swung, the gripping mechanism 9 is indexed to a position aligned with the spindle axis, and the gripping pawl 10 is opened.
【0014】次に、棒材6が棒材供給機構19によりガ
イドパイプ15を通して自動チャック7に供給される。
棒材6の先端面が接触感知センサ11に接触すると、そ
の信号に応答して、棒材供給機構19が停止されるとと
もに、把持爪10が閉鎖され、これによって棒材6の先
端が把持される。この状態で、刃物台3が主軸軸線方向
へ移動され、棒材6の切断長さが調整される。
Next, the rod 6 is fed to the automatic chuck 7 through the guide pipe 15 by the rod feeding mechanism 19.
When the tip surface of the bar 6 contacts the contact detection sensor 11, in response to the signal, the bar supply mechanism 19 is stopped and the grip claw 10 is closed, whereby the tip of the bar 6 is gripped. It In this state, the tool rest 3 is moved in the spindle axis direction, and the cutting length of the bar 6 is adjusted.
【0015】続いて、主軸5が所定の方向及び回転数で
駆動されるとともに、油圧シリンダ20が付勢され、切
断刃具13がチャック半径方へ切り込み移動され、これ
により棒材6が切断される。そして、切断刃具13が退
避され、チャック爪12が閉鎖されて、棒材6から切断
されたワークが自動チャック7に把持される。その後、
把持爪10が開いてワークから解離され、刃物台3が主
軸5から退避され、タレット8により旋削工具26が加
工部位に割り出され、その工具26によってワークが旋
削加工される。
Subsequently, the main shaft 5 is driven in a predetermined direction and the number of revolutions, the hydraulic cylinder 20 is biased, the cutting blade 13 is moved in the radial direction of the chuck, and the bar 6 is cut. . Then, the cutting blade 13 is retracted, the chuck claws 12 are closed, and the work cut from the bar 6 is gripped by the automatic chuck 7. afterwards,
The gripping pawl 10 is opened and disengaged from the work, the tool rest 3 is retracted from the spindle 5, the turning tool 26 is indexed to the processing portion by the turret 8, and the work is turned by the tool 26.
【0016】このとき、ガイドパイプ15は素材ストッ
カ4の支持台17により主軸5と非接触の状態で支持さ
れ、主軸5の内側で停止しているため、旋削加工中に主
軸5が回転しても、棒材6は回転することなく停止状態
に保持される。従って、従来とは異なり、主軸5の振動
を抑制して、ワークを高精度に加工できる。
At this time, the guide pipe 15 is supported by the support base 17 of the stocker 4 in a non-contact state with the main spindle 5 and stopped inside the main spindle 5, so that the main spindle 5 rotates during turning. Also, the bar 6 is held in a stopped state without rotating. Therefore, unlike the prior art, it is possible to suppress the vibration of the spindle 5 and process the workpiece with high accuracy.
【0017】なお、上記実施形態では、把持機構9を刃
物台3のタレット8に設けたが、これをサドル25上に
設置してもよい。また、上記実施形態では、切断刃具1
3を自動チャック7に内蔵したが、これをチャック駆動
シリンダ16の主軸5と係合しない端面に設けて実施す
ることもできる。ただし、この場合は、素材ストッカ4
に棒材6を把持する機能を付加する必要がある。その
他、本発明を回転工具による加工機能を旋盤に付加した
所謂ターニングセンタ等の複合加工機械に適用するな
ど、本発明の趣旨を逸脱しない範囲で各部の形状並びに
構成を適宜に変更して具体化することも可能である。
In the above embodiment, the gripping mechanism 9 is provided on the turret 8 of the tool rest 3, but it may be installed on the saddle 25. Moreover, in the said embodiment, the cutting blade 1
Although 3 is built in the automatic chuck 7, it can be carried out by providing it on the end face of the chuck driving cylinder 16 which does not engage with the main shaft 5. However, in this case, material stocker 4
It is necessary to add a function of gripping the bar 6 to the. In addition, the present invention is applied to a combined machining machine such as a so-called turning center in which a machining function by a rotary tool is added to a lathe, and the shape and configuration of each part are appropriately changed and embodied without departing from the spirit of the invention. It is also possible to do so.
【0018】[0018]
【発明の効果】以上詳述したように、請求項1の発明に
よれば、把持機構が棒材を把持し、自動チャックが棒材
を解放した状態で、切断刃具を主軸と一体に回転して棒
材を切断し、棒材から切断されたワークを自動チャック
に把持して旋削工具で加工するので、旋削加工中に棒材
を停止させ、主軸の振動を抑制して、ワークを高精度に
加工できるとともに、主軸の回転を利用して棒材を切断
することで、専用の棒材切断装置及びワーク供給装置を
省略でき、もって数値制御工作機械を小型で安価に構成
できるという優れた効果を奏する。
As described above in detail, according to the invention of claim 1, the cutting blade rotates integrally with the main shaft in a state where the gripping mechanism grips the bar and the automatic chuck releases the bar. Cutting the bar material, and the work cut from the bar material is gripped by the automatic chuck and processed by the turning tool, so the bar material is stopped during turning, vibration of the spindle is suppressed, and the work piece is highly accurate. It has the excellent effect that it can be machined into a small size, and that by cutting the bar using the rotation of the spindle, a dedicated bar cutting device and work supply device can be omitted, and the numerically controlled machine tool can be made compact and inexpensive. Play.
【0019】請求項2の発明によれば、把持機構を旋削
工具と共に刃物台のタレットに旋回割出可能に設けたの
で、把持機構専用の割出機構を不要にできるという効果
がある。
According to the second aspect of the present invention, since the gripping mechanism is provided on the turret of the tool post so as to be capable of swivel indexing together with the turning tool, there is an effect that an indexing mechanism dedicated to the gripping mechanism can be eliminated.
【図面の簡単な説明】[Brief description of drawings]
【図1】本発明の一実施形態を示す棒材切断機能付NC
旋盤の概観図である。
FIG. 1 shows an NC with a bar cutting function according to an embodiment of the present invention.
It is a general view of a lathe.
【図2】同NC旋盤の要部を拡大して示す断面図であ
る。
FIG. 2 is an enlarged sectional view showing a main part of the NC lathe.
【符号の説明】[Explanation of symbols]
1・・ベッド、2・・主軸台、3・・刃物台、4・・素
材ストッカ、5・・主軸、5a・・貫通孔、6・・棒
材、7・・自動チャック、8・・タレット、9・・把持
機構、13・・切断刃具、15・・ガイドパイプ、19
・・棒材供給機構、26・・旋削工具。
1 ... Bed, 2 ... Spindle, 3 ... Turret, 4 ... Material stocker, 5 ... Spindle, 5a ... Through hole, 6 ... Bar, 7 ... Automatic chuck, 8 ... Turret .., gripping mechanism, 13 ... cutting blade, 15 ... guide pipe, 19
..Bar feeding mechanism, 26..Turning tools

Claims (2)

    【特許請求の範囲】[Claims]
  1. 【請求項1】 主軸台と、主軸台に回転可能に支持され
    棒材を通す貫通孔を備えた主軸と、主軸の先端に取り付
    けられた自動チャックと、棒材を貫通孔を通して自動チ
    ャックに供給する棒材供給機構と、自動チャックと相対
    する位置で棒材の先端を把持する把持機構と、把持機構
    が棒材を把持しかつ自動チャックが棒材を解放した状態
    で主軸と一体に回転して棒材を切断する切断刃具と、棒
    材から切断されたワークを自動チャックに把持した状態
    で旋削する旋削工具を備えた刃物台とからなる棒材切断
    機能付数値制御工作機械。
    1. A spindle head, a spindle rotatably supported by the spindle stock and having a through hole for passing a rod material, an automatic chuck attached to the tip of the spindle, and a rod material supplied to the automatic chuck through the through hole. A rod feeding mechanism, a gripping mechanism that grips the tip of the rod at a position facing the automatic chuck, and a rotating mechanism that rotates integrally with the spindle with the gripping mechanism holding the rod and the automatic chuck releasing the rod. A numerically controlled machine tool with a bar cutting function that consists of a cutting tool that cuts a bar with a tool and a tool post equipped with a turning tool that turns a workpiece cut from the bar with an automatic chuck.
  2. 【請求項2】 把持機構を旋削工具と共に刃物台のタレ
    ットに旋回割出可能に設けた請求項1記載の棒材切断機
    能付数値制御工作機械。
    2. A numerically controlled machine tool with a bar cutting function according to claim 1, wherein a gripping mechanism is provided on a turret of a tool post together with a turning tool so as to be pivotally indexable.
JP08014565A 1996-01-30 1996-01-30 Numerically controlled machine tool with bar cutting function Expired - Fee Related JP3106291B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP08014565A JP3106291B2 (en) 1996-01-30 1996-01-30 Numerically controlled machine tool with bar cutting function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP08014565A JP3106291B2 (en) 1996-01-30 1996-01-30 Numerically controlled machine tool with bar cutting function

Publications (2)

Publication Number Publication Date
JPH09201702A true JPH09201702A (en) 1997-08-05
JP3106291B2 JP3106291B2 (en) 2000-11-06

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ID=11864684

Family Applications (1)

Application Number Title Priority Date Filing Date
JP08014565A Expired - Fee Related JP3106291B2 (en) 1996-01-30 1996-01-30 Numerically controlled machine tool with bar cutting function

Country Status (1)

Country Link
JP (1) JP3106291B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100427237C (en) * 2006-08-14 2008-10-22 寇君洲 Rotation overrunning groove-shove chucking metallic rod material sever machine
CN108481068A (en) * 2018-03-31 2018-09-04 芜湖天梦信息科技有限公司 A kind of bearing steel bar hot-cutting, blanking easy device

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US10029310B2 (en) 2014-03-17 2018-07-24 Dcseng Co., Ltd. Power transfer device, orbital pipe cutting device and hydraulic chucking device
KR101415513B1 (en) 2014-04-17 2014-07-04 디씨에스이엔지 주식회사 A orbital type pipe cutting/beveling machine for the cutting tool can be freely controlled in rotation plate

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100427237C (en) * 2006-08-14 2008-10-22 寇君洲 Rotation overrunning groove-shove chucking metallic rod material sever machine
CN108481068A (en) * 2018-03-31 2018-09-04 芜湖天梦信息科技有限公司 A kind of bearing steel bar hot-cutting, blanking easy device

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