PK 70 /80 /90 /100

PK-70 /PK-80 /PK-90 /PK-100

Proking Heavy Duty Lathe

 

  • One piece bed, floor type casting.
  • 4 shear bed way with dual way center guide plus front lateral way for carriage support under cutting.
  • All ways are hardened and ground.
  • Alloy steel spindle with opposed taper roller bearings.
  • Hardened and ground gears, shafts and cross slide ways.
  • Variable spindle speeds in 4 automatic ranges through pneumatic shifting.
  • 6-way rapid traverse and power feed to top slide.
  • Totally enclosed universal inch / metric gear box.
  • Carriage position device.
  • Dual voltage spindle motor, 50 to 200 HP.
  • Pressurized one shot lube system for cross slide and carriage.

 

SPECIFICATIONS

 

Capacity

PK-70

PK-80

PK-90

PK-100

Swing over bed
70-1/2"
(1800 mm)
80"
(2040 mm)
90"
(2290 mm)
100"
(2540 mm)
Swing over cross slide 53"
(1350 mm)
62-1/2"
(1590 mm)
72-2/5"
(1840 mm)
82"
(2090 mm)
Swing over gap

Length of gap from head stock


Center distance

60" - 800" (1500 - 20,000 mm)

Headstock



Spindle nose

A2-15, A2-20, A2-20, A2-28, SPECIAL
Spindle bore
230 mm, 318 mm, 360 mm, 410 mm, 510 mm
Spindle speed
4-500, 3-400, 2.5-300, 2-250, 1.5-180
Main motor
50HP (std) 75/100 HP (opt)

Threads and Feeds



Range of threads
2/1-28 TPI (60), 1-56 mm (60)
Threads cutting (NO.) range - M.P.
M.P. 0.25 - 14 (60)
Threads cutting - D.P.
D.P. 0.2 - 112 (60)
Longitudinal, cross
0.018 IPR-0.1 IPR, 0.045 ~ 2.55 mm
Cross feeds
0.01 IPR-0.05 IPR, 0.023 ~ 1.28 mm
Rapid traverse longitudinal, cross
 80" - 40"/min (2000 - 1000 mm/min)

Carriage

 
 
Cross slide travel
1300 mm (std)
Compound slide travel
500 mm (std) Dual compound (opt)

Trail Stock

 
 
Diameter of quill
11" (Ø280 mm)
Taper of center
MT #6
Bearing surface on ways
44" (1120 mm)

Bed

 
 
W (auxiliary guide)
48"(54")/1210 mm (1370 mm) 
Net Weight
46,297 lbs (21,000 kgs)
50,706 lbs
(23,000 kgs)
55,116 lbs
(25,000 kgs)
59,525 lbs
(27,000 kgs)

 

Can Perform oblique cutting with standard automatic feed.

 

Design and specifications are subject to change without prior notice.

 

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