Yuhuan CNC Machine Tool Co., Ltd.

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LJ57 Series Servo-Pull-Up Internal Broaching Machine

This product is a mechanical CNC pull up internal lathe,which is a high-precision,high-efficiency,and high stability through-hole processing equipment for internal teeth and various geometric shapes.Widely applied in industries including new energy,humanoid robotics,planetary gearboxes,military,aerospace,and construction machinery.

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

Robot intelligent broaching island innovation “four-wire rail”patent structure

Main features
1.Low overturning torque
The E-type adopts a four wire rail bearing structure,which is a "stable trapezoidal structure" formed by one driving center and one pulling center coplanar with two linear rails.This structure is highly symmetrical in the direction of force, eliminating most of the "pulling overturning moment" caused by the structure of the traditional lathe. Invention Patent No.:ZL 2020 10920618.5.
2.Long lifespan and high stability
Large steel ball, large diameter,imported heavy-duty ball screw pair, high-precision, high rigidity brand heavy-duty roller linear guide.
3.Precise control, high precision
Servo drive+screw drive, reasonable force structure, impeccable cutting accuracy.
4.Flexible and versatile spatial layout
The equipment can be customized with layout according to customer requirements, flexible and versatile, to achieve various forms of automation requirements.
5.One click intelligent control
Intelligent CNC system+embedded program+highly secondary development, parameter filling and use,zero programming operation, safe and efficient.
6.Convenient and easy to operate
Quick change of tooling,automatic positioning, and practical operation on the machine by the operator with "zero foundation".

Performance

SERIAL NUMBER	TECHNICAL PARAMETER NAME	UNIT	LJ5705	LJ5710	LJ5715	LJ5720	LJ5730	LJ5740
SERIAL NUMBER	TECHNICAL PARAMETER NAME	UNIT	NUMERICAL VALUE
1	Rated Pull	kN	50	100	150	200	300	400
2	rated travel	mm	800	1250/1600	1250/1600	1600/1800	1600/1800	1800
3	Pulling speed (servo speed regulation)	m/ min	1～7	1～7	1～7	1～7	1～7	1～5
4	Maximum length of the puller	mm	1000	1450/1800	1450/1800	1800/2000	1800/2000	2000
5	Total electrical capacity	kW	About 22	About 27	About38	About 45	About 53	About 60
6	Net weight of machine tool	kg	About 5000	About 8000 (Stroke 1250)	About 8500 (Stroke 1250)	About 12000 (Stroke1600)	Approximately 12500 (Stroke1600)	Approximately 19500 (itinerary 1800)
7	Machine tool workspace (lengthx width x height)	mm	3200×2800 ×3585	3600×3200 ×4000 (Stroke1250)	3600×3200 ×4100 (Stroke1250)	3850×3800 ×4800 (Stroke1600)	3850×3800 ×4900 (Stroke1600)	4000×3800 ×5500 (Stroke1800)