国产精品99久久久精品无码,野花视频在线观看免费,两个人免费视频全集在线观看,久久丫精品系列

Selection of Raw Materials for Cold Heading Machine Workpieces2021-12-07

Cold heading machine is a special equipment mainly used for batch manufacturing of nuts, bolts and other fasteners. Most of them are heavy equipment that exerts pressure on metal, and most of them are equipped with safety protection devices to ensure…

Working principle of cold heading machine and brand characteristics of Tianwei cold heading machine2021-03-18

Multi station cold heading machine is characterized by large volume, heavy weight and large forging force. Wire rods can be upset into semi-finished products of bolts, or moved to more complex parts with special shapes. Equipped with advanced safety …

Material and transformation requirements of cold heading machine2021-01-09

Material introduction of cold heading machine: The automatic cold heading with cold drawn copper aluminum wire and iron wire is a special equipment for the production of half hollow iron rivets with self drawn aluminum rivets. The whole structure of …

Introduction of properties of metal materials in cold heading machine2020-08-18

Introduction of properties of metal materials in cold heading machine

Introduction to Adjustment Steps of Cold Heading Machine2020-06-05

Cold upsetting machine adopts cold dial element or rod material, which becomes light hexagonal nut after tapping. The cold heading machine is horizontal, and the stations are arranged horizontally. The whole process of feeding, cutting, clamping and …

Cold heading machine has multiple models and good performance2020-03-17

Cold heading machine has multiple models and good performance

Requirements and key points of cold heading machine transformation2020-02-24

The transformation requirements of cold heading machine: the speed change system is safe and reliable, so that the machine tool can smoothly and continuously change speed. The digital display device is added to measure the number of pieces to be proc…

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…