1.Introduction Whether it is mining machinery or construction machinery, hydraulic cylinders can be seen everywhere as a key executive power component. When the hydraulic cylinder is working, the working medium (water, emulsion, oil, air, etc.) is injected into the hydraulic cylinder cavity th...... [Read More]

Simply put, bearing clearance is the clearance (or interference) inside a single bearing or a system composed of several bearings. The clearance can be divided into axial clearance and radial clearance, which depends on the bearing type and measurement method. Why should the bearing clearance ...... [Read More]

1. It is strictly prohibited for non staff to operate the machine tool. 2. it is strictly prohibited to touch the cutting tool, the rotating part of the machine tool or the rotating workpiece during operation. 3. Emergency stop is not allowed. In case of emergency, after stopping with this but...... [Read More]

1. Inspection before start-up 1.1 add appropriate lubricating grease according to the lubrication chart of the machine tool. 1.2 check that the electrical facilities of each department, handles, transmission parts, protection and limit devices are complete, reliable and flexible. 1.3 all gears...... [Read More]

The normal use of the ordinary lathe must meet the following conditions: the power voltage fluctuation of the position where the machine tool is located is small, the ambient temperature is lower than 30 degrees, and the relative humidity is less than 80%. 1. Environmental requirements for mac...... [Read More]

See the world of bearings from numbers Size from 2mm to 6m Bearings vary in size from small to large. The smallest “miniature bearing” in the world has an inner diameter of 0.6 mm × an outer diameter of 2.0 mm × a thickness of 0.8 mm, and is used in micro motors. The large bearing,...... [Read More]

1. Press the start button and the main motor does not rotate. Cause analysis: the main power switch is not turned on; The start button does not contact well, the contactor does not pull in, the wiring in the main motor junction box and electrical panel does not contact well or the connector fa...... [Read More]

The main contents of the safety operation procedures for CNC drilling machines include: (1) Operators of CNC drilling machines shall comply with relevant regulations and requirements and shall not operate in violation of regulations. (2) Operators shall wear labor protection articles before wo...... [Read More]

1. Operators shall be proficient in and master the performance and characteristics of CNC gantry drilling machine. Ensure that the emergency stop switch is always in the case of emergency, which can play a positive and effective role, so as to effectively reduce the incidence of accidents. 2. ...... [Read More]

After the acquisition of Mitsubishi Heavy Industries machine tools, Nidec plans to invest 80 billion yen to promote machine tool business growth Japanese media said that in order to expand its machine tool business, Nidec will invest in the two subsidiaries of Nidec Symposium and Nidec Machine...... [Read More]