Screw Machines
The repair can be performed as follows:
A/ Mechanical part:
- Complete disassembly of the machine
- Cleaning of all the parts
- Check for wear of all the disassembled parts
- Repair of spindles and exchange of all bearings
- Check and repair of indexing dogs if necessary
- Measuring and fitting of spindle drum locking pin
- Assembly of spindle drum and spindles
- Setting of spindle play
- Setting of spindle drum axial play
- Regrinding of central shaft
- New bushings in main longitudinal slide and fitting with central shaft
- Grinding and scraping of main slide guide way
- New rear guide bushing for central shaft
- Repair of all cross slides
- Regrinding of all guide ways, gibs and their scraping
- New return springs in cross slides
- Assembly of cross slides
- Setting of cross slides and accuracy test
- Repair and modification of gear box for A.C. motors
- Repair of material clamping and feeding machanism
- New feeding tubes
- Repair of material magazine
- Complete repair of hydraulic circuit (new components, hoses, seals and pump)
- Repair of lubrication circuits (all new components)
- New pump for tool cooling
- New internal and external paint (according to customers specification)
- Complete machine check and accuracy report
B/ Electrical installation:
- Electrical installation will be new
- SIEMENS S7-1500 PLC for control of machine functions with encoder and TOUCH SCREEN display
- SIEMENS A.C. motors for spindle speed and feed with SINAMICS servo drives
- Design of electrical system
- Programming of machine
- Electro documentation in English language