Yuhuan CNC Machine Tool Co., Ltd.

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LG557 series double guide post upper pull internal broaching machine

This machine tool overturns the traditional design structure of the lathe, adopting a new "five center coplanar" principle with no overturning force distance. It can achieve the machining of internal splines, internal gear rings, various irregular holes, etc., such as internal meshing pump stator, walking motor stator, new energy vehicle motor rotor, planetary reducer sun gear, etc.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

CNC Broaching Machine Series

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Equipment Highlights

LG557 series double guide post upper pull internal broaching machine.

Large tonnage upper broaching machine, double oil cylinder, double guide column, intelligent, high efficiency, high precision, high stability, environmental protection.

I. Advantages of broaching machine:

1, the main structure has a high symmetry design, 2 guide rail center, 2 driving center, 1 broaching center 5 core coplanar;

2. Fully escort broaching method to ensure the stability of broaching tool in broaching process;

3. Encoder position detection is adopted for broaching main motion and pickup tool auxiliary motion to realize full closed-loop control;

4, high flexibility of bilateral operation form;

5, kneading, safe tool lifting device, better protect the tool;

6. The control system of independent in-depth secondary development is adopted;

7, tool fixture replacement auxiliary device, reduce the manual operation strength of tool replacement; Enhance the safety of operation, and tooling replacement efficiency.

Ii. Product parameters:

Model of machine tool	LG55710	LG55720	LG55730	LG55740	LG55760
Rated tension force	100kN	200kN	300kN	400kN	600kN
Rated stroke rate	1250mm	1600mm（1800mm）	1600mm（1800mm）	2000mm	2000mm
Broaching speed (stepless speed regulation)	1~7m/min	1~7m/min	1~7m/min	1~7m/min	1~6m/min
Main slide return speed (stepless speed regulation)	2~15m/min	2~15m/min	2~15m/min	2~15m/min	2~15m/min
Tool connecting speed (stepless speed regulation)	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min
Cutter feeding speed (stepless speed regulation)	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min
Disk maximum aperture	Φ70	Φ100	Φ150	Φ150	Φ200
Distance of station	Single working position	Single working position	Single working position	Single working position	Single working position
Maximum workpiece diameter x thickness	Φ220×100	Φ280×200	Φ300×200	Φ300×200	Φ480×200
Net weight of machine	约14000 kg	约21000 kg（约22500 kg）	约22500 kg（约24000 kg）	约22500 kg	约32500kg
Machine working space (length × width × height)	4300mm×3650mm×4800mm	4500mm×3550mm×5400mm（5800mm）	4500mm×4050mm×5600mm（6000mm）	5150mm×4200mm×6650mm	5650mm×4550mm×6850mm

机床型号	LG55710-Ⅱ	LG55710-Ⅲ	LG55720-Ⅱ	LG55720-Ⅲ	LG55740-Ⅱ	LG55740-Ⅲ	LG55760-Ⅱ	LG55760-Ⅲ
额定拉力	100kN	100kN	200kN	200kN	400kN	400kN	600kN	600kN
额定行程	1250mm	1250mm	1250mm	1250mm(1600mm)	1600mm	1600mm（1800mm）（2000mm）	2000mm	2000mm
拉削速度（无极调速）	1~7m/min	1~7m/min	1~7m/min	1~7m/min	1~7m/min	1~7m/min	1~6m/min	1~6m/min
主滑板返回速度（无极调速）	2~15m/min	2~15m/min	2~15m/min	2~15m/min	2~15m/min	2~15m/min	2~15m/min	2~15m/min
接刀速度（无极调速）	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min
送刀速度（无极调速）	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min	1~5m/min
花盘最大孔径	Φ60	Φ60	Φ70	Φ110/2-Φ70	Φ110	Φ110/2-Φ90	2-Φ110	Φ105
工位距	2工位	3工位	2工位	3工位	2工位	3工位	2工位	3工位
最大工件外径×厚度	Φ130×100	Φ130×100	Φ140×180	Φ220×180	Φ200×200	Φ320×200	Φ220×200	Φ200×200
机床净重	约14000 kg	约15500 kg	约18000 kg	约19500 kg（约23500 kg）	约23500 kg	约24500 kg（约26000 kg）（约27000 kg）	约33000kg	约34500kg
机床工作空间（长×宽×高）	4300mm×3650mm×4800mm	4500mm×3650mm×4800mm	4500mm×3550mm×4537mm	4650mm×3550mm×4537mm(5400mm)	5150mm×4200mm×5850mm	5250mm×4200mm×5980mm（6400mm）（6800mm）	5650mm×4550mm×6850mm	5650mm×4550mm×6850mm