44” – 55” Heavy Duty Big Bore Lathes

Spindle Motor Horsepower

30 HP

Spindle Speeds – 6″ Bore = 16 speeds from 4 – 420rpm

Spindle Bore – (10″, 12″ & 15″ spindle bores optional)

6″

(152mm)

Spindle Nose

A2 – 11

A2 – 15 & A2 – 20 optional

Spindle taper in Spindle Nose

MT-7

MT-7

Spindle center height to base

49″

(1245mm)

Workpiece weight limit when held by chuck only

4,400 lbs

(2,000 kgs)

Workpiece weight limit when held by chuck and tailstock

13,200 lbs

(6,000 kgs)

Workpiece weight limit when held by chuck, tailstock & steadyrest

17,600 lbs

(8,000 kgs)

Cross Slide Travel

20.87″

(530 mm)

Carriage Slide Width

11.81″

(300 mm)

Width of Carriage 

31.10″

(790 mm)

Compound Rest Travel

14.57″

(370 mm)

Cutting Tool Height Maximum

1.26″ x 1.26″ 

(32 x 32 mm)

Quill Diameter (5.9″ diameter optional)

4.92″

(125 mm)

Quill Stroke

11.8″

(300 mm)

Quill Taper

MT-6

MT-7 Optional

Quill advance – 2 speed ratios

1:1 and 5:1

5X Thrust Force Multiplier

Tailstock body set-over adjustment

±0.4″

(±10 mm)

Lead screw diameter & pitch

2.36″ x 2 TPI

Thread Cutting Range – 70″ pitches

0.25 – 30 TPI

Thread Cutting Range – 62 metric pitches

1 – 120 mm

Thread Cutting Range -70 diametral pitches

1 – 120 D.P.

Thread Cutting Range – 53 module pitches

0.25 – 30 M.P.

Feed Shaft Diameter

1.26″

(32 mm)

Feeds – Longitudinal

0.0028″ – 0.34 / rev

(0.072 – 8.68 mm / rev)

Feeds – Cross Sign

0.0014″ 0.17″ / rev

(0.036 – 4.34 mm / rev)