Yuhuan CNC Machine Tool Co., Ltd.

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LG557/LGK557 Series Double-Drive Double-Guide Pillar Pull-Up Internal Broaching Machine

This product is a dual-drive,dual-guide-column,pull-up internal broaching machine, offering two power options:hydraulic drive and servo mechanical drive.It is a high-precision,high-efficiency,and high-stability equipment for machining internal teeth and through-holes of various geometric shapes.

Keywords

Precision grinding, intelligent manufacturing technology, integrated solutions

Classification

CNC Broaching Machine Series

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Typical Machining Parts

Equipment Highlights

Technical characters

Grade 5 GB/T 3478,Grade 7 GB/T 10095

Main features
1."0"overturning moment
The adoption of a dual-cylinder guide rail pair and dual drive,featuring 2 guide rail centers,2 drive centers,and 1 broaching center,achieves a "5-center coplanar"mainframe structure.This structure is highly symmetrical in the direction of force,eliminating the "broaching overturning moment"caused by the structure of traditional broaching machines.Invention patent number:ZL 202010920618.5.
2.Energy saving,intelligent servo hydraulic control,closed-loop control

The intelligent closed-loop control of the hydraulic system is achieved by using a servo motor,a servo drive controller,an internal gear pump,and a hydraulic sensor.
3. Common rail,full-stroke tool transfer mechanism

The main and auxiliary slide plates are co-linear,with tool receiving and sending throughout the entire stroke.It allows for ultra-long stroke tool adjustment,ultra-high workpiece broaching adjustment,one-click tool adjustment,and intelligent and easy control.

4. Innovative "Bidirectional Operation of Equipment"

The equipment is equipped with bilateral operation conditions,allowing for free tooling adjustment and flexible switching,making it easy to operate as desired.
5.One click intelligent control

Intelligent system+embedded program+highly customized development,ready to use with parameter filling,zero programming required,safe and efficient.
6.Convenient and easy to operate

Quick tool change,automatic positioning,and operators can start practical operation with "zero foundation".

Performance

SERIAL NUMBER	TECHNICAL PARAMETER NAME	UNIT	LGK557/LG55710	LGK557/LG55720	LGK557/LG55740	LGK557/LG55760
SERIAL NUMBER	TECHNICAL PARAMETER NAME	UNIT	NUMERICAL VALUE
1	Rated Pull	kN	100	200	400	600
2	rated travel	mm	1250	1600	2000	2000
3	Broaching speed (servo speed regulation)	m/min	1～7	1～7	1～7	1～6
4	Maximum length of broach	mm	1400	1800	2200	2200
5	Total electrical capacity	kW	About 32	About 46	About 65	About 78
6	Net weight of machine tool	kg	About 14,000	About 21000	About 25500	About 32500
7	Machine tool working space(length ×width ×height)	mm	4300×3650×4800	4500×3550×5400	5150×4200×6650	5650×4550×6850