Specifications

JH21 power press

Features:

* Steel welded body, tempering treatment or VSR(Vibratory Stress Relief), high rigidity, accuracy and stability;

* Vertical located crankshaft, compact structure;

* The crankshaft undergoes grinding treatment after high frequency quenching;

* Lengthened six-face rectangle guide with a surface of bronze plate;

* Pneumatic dual balance cylinders, which balance the slide and punch weight to reduce noise and impact;

* PLC control and imported safety duplex valve;

* Wet type combined multi discs friction clutch and brake;

* Hydraulic overload protected.

Standard Equipments:

1)    Wet clutch

2)    PLC

3)    Hydraulic overload protecting pump

4)    Touch screen

5)    Cam controller

6)    Die height adjusted motor (JH21-60 and upon models)

7)    Auto lubrication system

8)    Manual lubrication system

9)    Double hand control panel

10) Electronic crankshaft angle indicator

11) Predetermined counter

12) Balance cylinders for slide and upper die

13) Work light

14) Joint for air

15) Joint for miss-feeding

16) Absorbing pads

Optional Equipments:

1)    Dry clutch

2)    Light curtain

3)    Foot pedal

4)    Die cushion

5)    Inverter

6)    Variable speed motor

7)    Auto feed shaft

8)    Die quick change device

Shanghai Bohai Machinery Manufacturing Co., Ltd, which was founded in 1989,is designated as a National High-tech enterprise. It is one of the best and odest CNC plate processing manufacturer in China

The headquarter of the Company is sited in Qianqiao Economic zone,Fengxian District,Shanghai City.

 Now, the Company is staffed with 300 employees, among them there are 6 senior engineers,33 technicians,21 Doctor of Philosophy.  

The people at Bohai have a long solid history of producing the most advanced machine tools in the business. They bring years of experience to the operation, and can make sure that the machine leaving the factory lives up to the highest expectations.

As the parent company,The company  has 2 subsidiary companies under its control,namly,Shanghai Wanjiao Machine Tools Manufacture Co., Ltd,Maanshan Huayu Machine Tools Co.,Ltd. 

Please enjoy our website and feel free to look over our great machines. We hope you will join the satisfied customers who own BOHAI machine, because we know you are our future.

1.)- we can send our engineer to your site and do the training for your men. you will only bear the cost for our engineer's air ticket,visa,accormadation,food and transpotaion in your country

2.)-You can send your men to our factory. we will teach them how to operate the machine with no training charges

3. )-Actually there is another cheap and easy way to choose. every machine leave our factory with one book of operation manual. You can first read through the manaul,and get familiar with the machine. Then we can get a video call,and teach you on-line  how to operate the machine. 

Apart from above training course,we also provide 2 year warranty for all the easily broken part of the Machine