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34″ Large Swing

Swing 34 in.
Center Distance 60 – 315 in.
Spindle Bore 6, 9, 12 & 15 in.
Bed Width 24 in.
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Overview
Features
Specs
Accessories

Overview

The big bore lathe is ideal for large pipe works in oil fields and big valves works. This series offers spindle bores up to 15” , center distance range from 60” to 315”. The machine bed is 24” wide. Double chucks are available for holding extra long and large work pieces.

  • Swing over bedways: 34″
  • Bet centers: 60″ – 315″
  • Spindle bore: 6″ standard, 9″, 12″, 15″, optional
  • Spindle motor: 30 HP, larger HP available
  • Bed width: 24″
  • Massive one- piece casting machine base

Product Video

Features

Customer's machine in use

  • Satisfied SHARP customer machining a large hook weighing 2,300 lbs on the SHARP Heavy Duty Big Bore lathe with a 50″ swing and a 160″ center and a 9″ Spindle bore.

Three points support headstock spindle

  • The headstock casting is designed with one ball bearing and two tapered roller bearings supporting the full length of the spindle shaft.
  • Spindle bore sizes are available in 6”, 9” and 12” , 15”
  • Gears and shafts are made from hardened and ground alloy steel, the spindle is made from forged, chrome alloy material.

Solid one piece casting base

  • The one piece casting bed is fully ribbed to prevent distortion under heavy cutting conditions. The base casting of the headstock is ribbed to withstand stress and distortion due to heavy machining conditions
  • The oversized 24” wide bedways are induction hardened and ground for long lasting accuracy.
  • An additional third bed way is provided on the front of the bed, giving extra support to the carriage during heavy cutting conditions

Double Chuck , Gear Box

  • The headstock can accommodate double chucks when necessary.
  • The fully enclosed quick change gear box allows easy change of wide range of inch, metric, MP and DP threads without exchanging gears.

Power Tailstock

  • Tailstock is equipped with a 2 step quill feed for ease of infeed. Large hand crank allows convenient positioning of tailstock.
  • For larger models, motorized quill feed and power drive tailstock units are available as options. (picture shows optional power driven tailstock unit

Specs

Capacity3460M3480M34120M34160M34200M34240M
Swing Over Bed33.9 in.
(861.06 mm)		33.9 in.
(861.06 mm)		33.9 in.
(861.06 mm)		33.9 in.
(861.06 mm)		33.9 in.
(861.06 mm)		33.9 in.
(861.06 mm)
Swing Over Cross Slide21.3 in.
(541.02 mm)		21.3 in.
(541.02 mm)		21.3 in.
(541.02 mm)		21.3 in.
(541.02 mm)		21.3 in.
(541.02 mm)		21.3 in.
(541.02 mm)
Swing Over Gap45.3 in.
(1,150.62 mm)		47.3 in.
(1,201.42 mm) 		47.3 in.
(1,201.42 mm) 		45.3 in.
(1,150.62 mm)		47.2 in.
(1198.8 mm)		47.3 in.
(1,201.42 mm)
Distance Between Centers59 in.
(1,498.6 mm)		78.7 in.
(1,998.98 mm)		236.29 in.
(6,001.7 mm)		157.5 in.
(4000.5 mm) 		196.9 in.
(5001.2 mm)		236.29 in.
(6,001.7 mm)
Headstock3460M3480M34120M34160M34200M34240M
Spindle Speed11-8,100 rpm 11-8,100 rpm 11-810 rpm 11-810 rpm 16-810 rpm 16-810 rpm
No. of Spindle Speeds12 steps 12 steps 12 steps 12 steps 12 steps 12 steps
Spindle NoseA2-11A2-11A2-11A2 -11 A2 -11 A2 -11
Spindle Bore6 in.
(152.4 mm)		6 in.
(152.4 mm)		6 in.
(152.4 mm)		6 in.
(152.4 mm)		6 in.
(152.4 mm)		6 in.
(152.4 mm)
Threads and Feeds3460M3480M34120M34160M34200M34240M
Inch Threads, Number2-28 tpi, 36 2-28 tpi, 36 2-28 tpi, 36 2-28 tpi, 36 2-28 tpi, 36 2-28 tpi, 36
Metric Threads, Number0.8-14 mm0.8-14 mm0.8-14 mm0.8-14 mm0.8-14 mm0.8-14 mm
Modular Threads, Number0.5-7 MP , 220.5-7 MP , 220.5-7 MP , 220.5-7 MP , 220.5-7 MP , 220.5-7 MP , 22
Diametral Pitch Threads, Number4-56 DP, 364-56 DP, 364-56 DP, 364-56 DP, 364-56 DP, 364-56 DP, 36
Longitudinal Feeds0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev) 		0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev) 		0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev) 		0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev) 		0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev) 		0.0020-0.0276 in/rev
(0.0508-0.7010 mm/rev)
Cross Feeds0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)		0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)		0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)		0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)		0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)		0.001-0.0138 in/rev
(0.0254-0.350 mm/rev)
Leadscrew Pitch, Diameter2 tpi, 1.77 in. 2 tpi, 1.77 in. 2 tpi, 1.77 in. 2 tpi, 1.77 in. 2 tpi, 1.77 in. 2 tpi, 1.77 in.
Carriage3460M3480M34120M34160M34200M34240M
Cross Slide Travel16.9 in.
(429.26 mm)		16.9 in.
(429.26 mm)		16.9 in.
(429.26 mm)		16.9 in.
(429.26 mm)		16.9 in.
(429.26 mm)		16.9 in.
(429.26 mm)
Compound Travel14.6 in.
(370.84 mm)		14.6 in.
(370.84 mm)		14.6 in.
(370.84 mm)		14.6 in.
(370.84 mm)		14.6 in.
(370.84 mm)		14.6 in.
(370.84 mm)
Compound Width25.8 in.
(655.32 mm)		26.8 in.
(680.72 mm)		26 in.
(660.4 mm)		26 in.
(660.4 mm)		26 in.
(660.4 mm)		25 in.
(635 mm)
Bed3460M3480M34120M34160M34200M34240M
Bed Length 149.6 in.
(3,799.84)		169.3 in.
(4300.2 mm)		208.7 in.
(5,300.9 mm)		248 in.
(6299.2 mm)		287.4 in.
(7,299.96 mm) 		326.8 in.
(8,300.72)
Bed Width24 in.
(609.6 mm)		24 in.
(609.6 mm)		24 in.
(609.6 mm)		24 in.
(609.6 mm)		24 in.
(609.6 mm)		24 in.
(609.6 mm)
Tailstock3460M3480M34120M34160M34200M34240M
Quill Diameter4.9 in.
(124.46 mm)		4.5 in.
(114.3 mm)		4.9 in.
(124.46 mm)		4.9 in.
(124.46 mm)		4.9 in.
(124.46 mm)		4.9 in.
(124.46 mm)
Quill Travel11.8 in.
(299.72 mm)		11.8 in.
(299.72 mm)		11.8 in.
(299.72 mm)		11.8 in.
(299.72 mm)		11.8 in.
(299.72 mm)		11.8 in.
(299.72 mm)
Quill Center TaperMT #6MT #6MT #6MT #6MT #6MT #6
General3460M3480M34120M34160M34200M34240M
Spindle Motor20 HP
(14.91 Kw) 		20 HP
(14.91 Kw) 		20 HP
(14.91 Kw) 		20 HP
(14.91 Kw) 		20 HP
(14.91 Kw) 		20 HP
(14.91 Kw)
Approximate Weight16,940 lbs.
(7683.8 Kg) 		18,040 lbs.
(8182.8 Kg) 		19,360 lbs.
(8,781.5 Kg) 		20,900 lbs.
(9,480.08 Kg) 		22,440 lbs.
(10,178.6 Kg) 		23,980 lbs.
(10,877 Kg)
Dimensions13.75x6.75x4.91 ft.
(4.19x2.05x1.49 M) 		15.41x6.76x4.75 ft.
(4.69x2.06x1.44 M) 		18.66x6.76x4.75 ft.
(5.68x2.06x1.4 M)		22x6.76x4.75 ft.
(6.70x2.06x1.4 M) 		19.5x6.75x4.75 ft.
(5.94x.05x1.44 M)		28.5x6.75x4.

All specifications subject to change without notice. Please call to verify.

Accessories

Standard Accessories

  • 16 Spindle speed
  • 2 stage spindle start up
  • Headstock oil bath system
  • Electro magnetic brake
  • Lubrication system
  • Coolant system
  • Manual tailstock
  • Steady rest 16”
  • Work lamp

Optional Accessories

  • 3 jaw chuck, different sizes
  • 4 jaw chuck, different sizes
  • Steady rest, larger sizes
  • Follow rest, different sizes
  • Face plate with 4 jaws, different sizes
  • Rear chuck adapter
  • 40 HP, 50 HP in lieu of 30 HP motor
  • Taper Attachment
  • Digital Readout System
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