How to operate the sharpener

Grinding machine safety operating procedures

1. Safety precautions should be given to electricians who hold an electrician's operation permit for electrical installation or repair.

2. Check whether the voltage and frequency on the mot.......

Gate valve operating torque analysis

Operational moment analysis of gate valve Shanghai Shanghai Valve Factory (Group) Co., Ltd. When the opening of the gate valve is above 10%, the axial force of the gate valve, ie, the operating torque of the gate valve does not change much. When the gate valve opening is less than 10%, due t.......

Analysis of Low Temperature Vacuum Drying of Maize

Analysis of Low Temperature Vacuum Drying of Maize
Core Tip: Analysis of Low-Temperature Vacuum Drying of Maize Ding Xianyu (National Institute of Grain Reserves Zhengzhou Institute of Scientific Research and Design, Zhengzhou, Henan Province 450053 billion t, of which m.......

CA6140 lathe headstock thermal deformation test system


In the process of machining, due to various internal factors and external factors, the temperature of the machine tool is constantly changing. The machine tool and its process system are thermally deformed due to temperature changes, thus causing machining errors. According to statistics, .......

Jiangxi Yushan Bearing Co., Ltd.

Since the beginning of this year, 48 bearing companies in Yushan County of Jiangxi Province have been prosperous in production and sales. Production orders from January to September have exceeded 90.5% of the company's production capacity.
Yushan County is the largest bearing productio.......