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Colchester Mastiff Lathe 1400 - Page 2  Page 1
Clausing 21" Models 8110, 8111, 8112, 8118, 8114, 8115, 8116, 8119     
A Handbook & Parts List, is available for the Mastiff 1400  and Mastiff VS1800

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   Colchester 1909/14   Colchester 1919   Colchester 1920s



Designed in conjunction with the British Machine Tool Industry Research Association the headstock spindle could pass a 3-inch diameter bar and had a hardened 8-in D1 Camlock nose.

The dual Metric/English screwcutting gearbox was totally enclosed, lubricated from an oil bath and fitted with hardened and ground gears running on ball-race supported shafts.

Three conventional levers - clamped to each of the three shafts at the top of the inner plate - together with a 6-position joystick that moved into radial slots around a circle, swapped the screwcutting gearbox ratios.




Double leadscrew clasp nuts in V-way housings.

The apron was doubled walled, with its shafts supported on ball bearing at each end and the gears all hardened and ground; the base was closed off to form an oil bath to splash lubricate the internals and at the top of the front face, just to the right of cross-feed screw, was a rod that pushed in to operate a plunger pump to feed the same lubricant to the bed, cross-slide ways and cross-feed nut.
The power feeds were selected by a push/pull button and positively engaged by a lever that allowed the feed to be stopped instantly regardless of how deep and heavy the cut was. A second push/pull button provided a means of reversing the feeds. 




A Handbook & Parts List, is available
for the Mastiff 1400  and Mastiff VS1800

Colchester Mastiff Lathe 1400 - Page 2  Page 1
Clausing 21" Models 8110, 8111, 8112, 8118, 8114, 8115, 8116, 8119     
A Handbook & Parts List, is available for the Mastiff 1400  and Mastiff VS1800
COLCHESTER HOME  Bantams Original   Bantams 800, 1600 & 2000 Modern   Chipmaster   
Student 1800   Mascot 1600   Student/Master Mk. 1 & Mk. 2   Student 3100   Master Original 1930s/40s  Master 2500   Triumph Mk. 1 & Mk. 2   Triumph 2000   Mascot - 1950s  Mastiff 1400   
           Magnum   Serial Numbers   Outline of Colchester Range as Text Only   Factory  Testing
Catalogue Covers   Early Drive System
   Colchester 1909/14   Colchester 1919   Colchester 1920s