Foreign old lathe reform

The company's powerful facilities are no less than any new machine tool builders. It has a 180m2 assembly hall, a complete tool shop, electrical and electronics departments, a modern paint shop and a design department based on CAI. In addition to updating and overhauling machine tools, CentrclCSs has been redesigned to improve machine performance.

This work may include the installation of new ball screw drives, AC servo motors and modified CNC units. The company can also add probes and automatic loading devices if needed. The machine can be taken from the user's factory for overhaul, but the company always takes the machine out of its own inventory for overhaul, and then exchanges with the user's machine to avoid user downtime. Perhaps because economical grinding machines are not as much as lathes and milling machines, overhauls of grinding machines seem to be particularly common.

The services offered by Lambcrt Machines, a specialist in the grinding machine industry in Keigley, range from overhaul of components to comprehensive CNC modernization with the company's internal design. The machine tools that have been overhauled and modified by it all meet the B54656 standard. The company also confirmed that the savings in the old machine tool compared to the new machine tool is huge.

For example, two Matrix cylindrical grinding machines modified for a power vehicle manufacturing plant cost only half as much as a new machine of the same type. Thanks to the modified SiemenSsl0GCNC system, these machines offer speed and acceleration faster than the original machine and are modern compared to any machine. Even better, a cylindrical grinding machine modified for Brook Motors in Hudders6cld has enabled Lambert Machines to create a new brand of grinding machine.

The industrial machine tool repair company (IMTS) in RoChester is also specialized in the transformation of outer, inner, flat and slow-feed grinding machines. The company found that retrofitting old machine tools is often the only way to meet the user's true technical requirements without exceeding budget. For example, IMTS has transformed a 1968 Tschudin cylindrical grinder into a 5-coordinate CNC insert grinder.

On this machine, not only the CNC wheel dressing device with plunging feed is added, but also a movable wheel head frame (X-axis), a moving table (Z-axis) and a workpiece rotating around the axis of the grinding wheel are added. C axis. The blank material is a 30000m long coil that is positioned step by step in the machine tool with continuous feed. When grinding the blade or the saw blade, various back angle parameters are sent to the CNC, which calculates the shape of the grinding wheel, and then the shape is automatically trimmed by the dressing device.

This complex machine is made under tight budget, which reduces the processing cycle time of the company's grinding inserts from 95 to 3.65. In addition, the machine can be operated unattended for 3 weeks. . At this point the wheel is worn and must be replaced. Although the blade grinder is a special machine tool, IMTS has found a ready-made market for retrofitting old machines. The use of its slow feed system has successfully modified the Tripet surface grinder and the olesshiPI two an54o grinder for tool grinding.

The system was developed in collaboration with a Swiss company based on a hydraulic valve that automatically compensates for pressure and temperature fluctuations during slow-feed grinding. This is a critical requirement when grinding cemented carbide inserts as it is necessary to maintain constant speed grinding and to avoid carbide peeling or burns. Another modification of IMTS was the transformation of a T5chudin grinder into a “manual CNC” machine with ball screws and stepper motors plus PLC controls, which was significantly less expensive than buying a new CNC machine. The company has modified both single-axis and dual-axis (X and Z-axis) machines, and it has become increasingly common to use single-axis modifications for cut-to-grind.

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