LK89 SERIES CNC Vertical Spiral Internal broaching Machine
This product is a 4-axis CNC vertical spiral internal broaching machine, representing a high-precision, high-efficiency, and high-stability equipment for processing internal helical or straight gears.

Technical characters
Widely applied in industries including new energy, humanoid robotics, planetary gearboxes and construction machinery. Grade 5GB/T10095.

Main Features
1. "0"overturning moment
The machine employs dual cylindrical guideways and dual-drive systems, achieving the patented 'Five-Centers-Coplanar' main frame architecture-where two guideway centers, two drive centers, and one broaching center all lie in the same reference plane. This highly symmetrical force distribution design completely eliminates the traditional broaching torque disturbance inherent in conventional machine structures. (Chinese Invention Patent No. ZL 202222491897. 5
2. Zero backlash, indexing accuracy of 0. 001°(3. 6 arc seconds)
Compact, High-Precision Zero-Backlash C-axis Indexing(Chinese Invention Patent No. ZL 202011029578. 1
3. Fully Closed-Loop Precision Control
Servo-driven with a gantry screw structure and dual linear encoder feedback, featuring dynamic error compensation for flawless broaching precision.
4. Innovative 'Dual-Direction Machine Operation
The equipment has dual side operation conditions, and the tooling can be freely exchanged, with flexible and flexible switching that moves according to one's heart.
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
| Technical Parameter Name | Unit | LK8905 | LK8910 | LK8915 | LK8920 | LK8940 |
| Numerical Value | ||||||
| Rated Tensile Load | kN | 50 | 100 | 150 | 200 | 400 |
| Rated Travel | mm | 1000 | 1250/1600 | 1250/1600 | 1600/2000 | 2200/2800 |
| Pulling speed(servo speed regulation | m/min | 1~6 | 1~6 | 1~6 | 1~6 | 1~6 |
| Maximum lengthof the puller | mm | 1250 | 1450/1800 | 1450/1800 | 1800/2000 | 2400/3000 |
| Total electricalcapacity | kW | 约30 | 约40 | 约50 | 约70 | 约120 |
| Net weight ofmachine tool | kg | about12500(Stroke1000) | about16500(Stroke1600) | about17500(Stroke1600) | about28500(Stroke2000) | about34500(Stroke2200) |
| Machine tool workspace(length×width×height) | mm | 6000×3750×3800(Stroke1000) | 6000×3750×4600(Stroke1600) | 6000×3750×4600(Stroke1600) | 6000×3750×5350(Stroke1600) | 6000×3750 ×5600(Stroke2200) |
Certificate

Our R & D team establish a long - term partnership with National University of Defense Technology , Dalian University of Technology , Hunan University , Central South University , and other renowned institutions . Yuhuan is also research base for Hunan University’s doctoral student,get 5—9 patents per year .
Has got36 related patents
A certificate of international standard products in 2005
Has passedISO9001 : 2000 international quality system certification, has estabished corporate product standards
Packing and Transportation

1. Moisture-proof packaging+Wooden Box.
2. Special packing requirements available.
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