With 50 years of specialist knowledge of this milling machine BRAITHWAITES are the UK 's # 1 choice for rebuilding the Bridgeport

Mobile 07895 445761. email braithwaite70@msn.com. Tel / Fax 01262 606691

Terry Braithwaite, founder of Braithwaite Rebuild, started a craft apparenticeship with Adcock and Shipley in 1968 . Adcock and Shipley , who later became Bridgeport machines, manufactured the Bridgeport under licence at the purpose built Bridlington site. A total of 50,000 Bridgeports where manufactured . Bridgeport produced over 300,000 machines in America. The Bridgeport is still the preferred manual machine for machinists and toolmakers. Ballscrews on the X and Y are now fitted as standard.

content of rebuild

The column , knee  and saddle ways and vee,s reground.
Table top restored by plugging and /or filled with metal filler if viable.
Gib strips machined and  low friction guide coat bonded to the bearing surface.
New metric elevation screw and elevation gears fitted.
The column , knee , ram and turret assembly are stripped and repainted.
Refit knee to column. The column gib strip is fitted with a max deflection of > .0005" top and bottom of knee.
The knee ways, vee's  and the column gib strip are hand scraped to + / -> .0005" in 12"  in both vertical planes at the top of the square.
Refit saddle and table. Maximum deflection on table and saddle strips .0003" at each end.
Table movement square in x axis square to movement in Y axis +/- >0005" in 9" .
Table top >.0005 to front of table movement in the Y axis.
An electric lube pump is fitted and all meters, pipes and manifolds are replaced.
Protection blinds for the column , knee top rear and knee top front are fitted has standard.
The X and Y axis lead screws are replaced with ballscrews . Fit new Align X axis power feed .
The knee and saddle locks are replaced with clamps that work on the ballscrew . The deflection, lock pull and lock distortion are eliminated. The machines  lock re-action on the X and Y axis with the DRO reading is cut down to an absolute minimum. New rigid handles replace the existing swing handles.
Accuracy , repeatability , operator confidence and efficiency are all greatly enhanced.
The J head is stripped. Main casting repainted .
New spindle bearings and taper regrind.
Replace worn out parts.
Strip vari-drive or belt drive. Replace bearings , pulleys , belts and hubs.
Replace external cables, conduits and pipes.
In addition we can supply the following .
Digital readout.
Align Y axis .
Align Z axis , controlled position and feed rate on the knee.
Align air power draw bar.
Splash tray.