国产视频久久久-国产视频久久久久-国产视频网站在线观看-国产视频在线免费观看-亚洲精品久久久中文字-亚洲精品久久玖玖玖玖

Structural characteristics of cold heading machine2019-08-31

The metal parts of the cold upsetting machine were originally machined by multiple processes. However, the cold upsetting method can be used with as little or no cutting as possible, and then directly formed into the shape and size people want, which…

Cold heading machine plays the role of heat dissipation and heat insulation2019-07-29

The cold upsetting machine controls the temperature and the temperature gradient caused by the heat loss of the workpiece during processing to reduce the processing deformation, and plays the role of heat dissipation and insulation to prevent the wor…

Sizing accuracy of cold drawing material of cold heading machine2019-07-17

The sizing accuracy of cold drawing materials of cold heading machine shall generally be determined according to the specific requirements of products and process conditions. Generally speaking, the multi station cold heading machine has lower requir…

Before starting the multi station cold heading machine, carefully check whether all fasteners of the equipment are locked2019-07-16

Before starting up the multi station cold heading machine, carefully check whether the fasteners of the equipment are locked and whether the safety protection devices are in good condition, and check frequently during the work. Loosening due to sever…

Cold Heading Machine Prevents Workpiece Quenching and Mold Thermal Shock2019-07-15

The cold heading machine controls the temperature and the temperature gradient caused by the heat loss of the workpiece during processing to reduce the processing deformation, and plays the role of heat dissipation and insulation to prevent the workp…

The cold upsetting machine adopts a series of large pliers for more stable clamping and feeding2019-07-12

The cold upsetting machine controls the temperature and the temperature gradient caused by the heat loss of the workpiece during processing to reduce the processing deformation, and plays the role of heat dissipation and insulation to prevent the wor…

Cold heading machine forming oil is based on refined mineral oil2019-07-11

The axial component force of the upsetting resistance of each station of the cold upsetting machine is distributed on the vertical plane, and its resultant force deviates from the center line of the machine tool, that is, from the center of the conne…

In order to improve the friction conditions between sliding block and guide rail of cold heading machine2019-06-29

In order to improve the friction conditions between the slider and the guide rail, the designer has to lengthen the slider, which increases the weight of the slider in vain, leading to the reduction of the stability of the whole machine. The ejection…

Operation Guide for Cold Heading Machine2018-09-19

Operation Guide for Cold Heading Machine

Development of cold heading machine technology2018-08-06

Development of cold heading machine technology

The cold upsetting machine has lower requirements for the accuracy of reducing diameter and forced shrinking size2018-06-12

Cold heading machine

Cold heading machine is a special equipment for fasteners2018-01-08

Cold heading machine is a special equipment mainly used for batch production of fasteners such as nuts and bolts. The earliest cold heading machine in the world originated from Germany. At that time, the purpose of developing the cold heading machine…

How to maintain the cold heading machine2017-12-23

How to maintain the cold heading machine

Characteristics of cold pier technology2017-12-05

Characteristics of cold pier technology

Basic information of cold heading machine2017-10-27

Basic information of cold heading machine