リリーフ研削にリニアモーターを使用したタップ用高速全自動ネジ研削盤の紹介
SMS社は1995年創業、ドイツ南部シュトゥットガルト近郊アルプシュタットに位置するネジ研削を得意とする機械メーカーです。
創業当初はReishauer社並びにKlingelnberg社製機械式ネジ研削盤のオーバーホールやCNCレトロフィットがメイン事業でした。
今日では、自社製ネジ研削盤の開発と製造に注力しているメーカーです。
今回ご紹介するSMS社自社製タップ用全自動ネジ研削盤 GBA203はリリーフ研削にリニアモーターを使用し高速リリーフ研削が可能となりました。
結果、極めて短いサイクルタイムにより最高の生産性を重視した機械となります。
SIEMENS製コントローラー、操作の容易性(対話型プログラミング)、Fanuc制ロボットによる生産性向上やHEIDENHAIN製リニアエンコーダーなどGBA203はタップ用全自動ネジ加工機として、その評価を確立しております。
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| ドキュメント名 | ドイツ SMS(エスエムエス)社 タップ用全自動ネジ研削盤 GBA203 |
|---|---|
| ドキュメント種別 | 製品カタログ |
| ファイルサイズ | 1.4Mb |
| 取り扱い企業 | 株式会社シーケービー (この企業の取り扱いカタログ一覧) |
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G B A 2 0 3
TECHNICAL DATA:
Workpiece diameter M3 (M1) – M25
Grinding length 190 mm
Clamping length 28 – 200 mm
Lead angle (LH/RH) -6 / +10 °
Flute number max. 13
Relief 0 – 1,0 mm
Relief frequency 70 Hz
Wheel diameter 390 – 500 mm
Wheel width 10 - 25 mm
Wheel drive 7,5 kW
Cutting speed 80 m/s
Workpiece speed 1.500 1/min
(technical changes reserved)
SMS Maschinenbau GmbH
Brunnenstrasse 117-119 · D-72461 Albstadt · Telefon +49(0 )7432/98408-0 · Fax +49(0 )7432/98408-21
www.sms-gmbh.de
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P R O D U C T I N F O R M AT I O N
With the GBA 203, the developers at SMS have made a Available options:
quantum leap! For the first time, customer requests for W-axis for flexible dressing (diamond form roll)
flexible relief path (particularly with regard to the polygon
form on forming taps) with significantly increased machine Grinding carbide tools
availability can be met. As with the predecessor models in
the GBA series, this is a fully automated tap grinding ma- M1 package: This option allows grinding of threading
chine - now with an enlarged machining range up to M25. tools as of M1 using a single tooth grinding wheel (for
The newly developed A-axis enables a lead angle of forming taps with pitch correction)
-6° to +10° and allows the production of tools with left-
handed thread. The machine is equipped with max. 7 CNC axes:
The basic machine body, designed with the aid of FEM, Workpiece slide: Z-axis
provides for maximum productivity and precision. For Workpiece drive: C-axis
the relief movement, cutting-edge linear motor technolo- Grinding support: X-axis
gy is used for the first time (relieving cam omitted). The Relief unit (linear motor): X2-axis
lifting movement is precisely synchronized with the other Lead angle: A-axis
axes by the CNC control system, which enables very high Dressing axis radial: V-axis
speeds and relief strokes. In combination with the high- Dressing axis axial (optional): W-axis
speed technology used on this machine, this guarantees
exceptional productivity with very short cycle times.
The grinding wheel is automatically profiled in program-
med cycles. The use of profile roll sets for the thread and
chamfer makes it possible to grind both the thread as well
as the chamfer in a single setup. The optional W-axis ena-
bles flexible 2-axis CNC dressing of the chamfer section
using a diamond form roll.
Equipped with multiple pallet stations (raw/finished part),
the integrated handling system provides for very short
workpiece change times thanks to the use of a 6-axis FA-
NUC robot. The machine is equipped with the latest drive
and control technology (digital servo drives: Siemens, pre-
cision length measuring systems: Heidenhain). Thanks to
the workpiece-specific user interface by SMS (HMI), the Machining example: Thread-cutting tap (ISO) M6
CNC control system (Siemens 840D sl) can easily be pro- Lead p: 1.0 mm
grammed by the operator in the dialogue system and en- Thread length: 10.0 mm
sures short setup times. Number of flutes: 3 (spiral)
Flute angle: 40°
Summary: The GBA 203 has set new benchmarks in the Chamfer angle: 16°
production of threading tools! Cycle time: 37 sec. (thread + chamfer)
SMS Maschinenbau GmbH
Brunnenstrasse 117-119 · D-72461 Albstadt · Telefon +49(0 )7432/98408-0 · Fax +49(0 )7432/98408-21
www.sms-gmbh.de