Mazak PFH 4800 173954 horizontal machining center 12000rpm CAT 40 spindle repair

Mazak PFH 4800 173954 horizontal machining center 12000rpm CAT 40 spindle repair
Mazak PFH 4800 173954 horizontal machining center 12000rpm CAT 40 spindle repair

Mazak PFH 4800 173954 horizontal machining center 12000rpm CAT 40 spindle repair

DR7003053 Bearing Lower bearing set
DR7003054 Bearing Upper bearing
DR7000089 Motor Rewind
DR7000087 Dynamic Balance Rotating Part
DR7041MetalSpd Metalworking Spindle Repair Labor And Assy
jl***Repair proposal R20241191
***Mazak, PFH 4800, 173954, 12000rpm
We are pleased to provide our repair proposal for the subject
unit. Below is a detailed pricing summary for your reference.
Inspection Results
The spindle journal diameters show no appreciable wear and are
acceptable for proper bearing fits.
The upper bearing housing inner diameter meets design
specifications and shows no appreciable wear. No modification
is required.
The lower bearing housing inner diameter meets design
specifications and shows no appreciable wear. No modification
is required.
The taper runout is acceptable.
The upper and lower bearings show some wear on the inner and
outer diameters.
The tool pressure test checks fine.
Metal chips were found inside the spindle. One chip found its
way into the stator core and shorted out the windings.
The unit will be assembled and tested.