GOSAN MACHINERY CO., LTD

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MODEL

PRECISION ENGINE LATHE (12 spindle speeds change; Square head)

Model: TURNPOWER 1330, 1340, 1430, 1440

FEATURES:

˙12 steps spindle speed 50-2000r.p.m. shifts in geometric progression.

˙38mm 1-1/2inch hole through spindle.

˙Heavy duty geared head; hardened and ground gears.

˙Hardened and ground bed-way.

˙Open type chip tray can be pulled out easily to remove chip.

˙3HP(2.2kw) three phase main motor.

˙Foot break giving rapid breaking.

˙Emergency stop switch equipped on the front of headstock.

˙Jog button switch for easy gear engagement and inching spindle.

˙Extra safety switch shuts down machine entirely for changing belt or gear.

BRIEF SPECIFICATION

BRIEF SPECIFICATION
MODEL		TURNPOWER 1330/1330V	TURNPOWER 1340/1340V	TURNPOWER 1430/1430V	TURNPOWER 1440/1440V
Swing over Bed		330mm 13inch		356mm 14inch
Swing over Cross Slide		195mm 7-5/8inch		220mm 8-5/8inch
Height of Center		165mm 6-1/2inch		178mm 7inch
Distance Between Centers		750mm 30inch	1000mm 40inch	750mm 30inch	1000mm 40inch
BED
Width of Bedways		190mm 7-1/2inch
Total Length of Bed Gap Type		1430mm 56inch	1680mm 66inch	1430mm 56inch	1680mm 66inch
Gap Type	Swing over Gap	490mm 19inch		515mm 20inch
	Length of gap	230mm 9inch
	Width in front of face plate	135mm 5-1/4inch
SPINDLE
Spindle nose mounting		D1-4 CAMLOCK
Spindle bore		40 mm 1-9/16 inch
Taper of spindle bore		M.T.#5
Number of spindle speeds		12 steps or 3 steps for Variable speed change V type
Range of spindle speeds		45 - 1800 RPM or 30 - 2000 RPM for Variable speed change V type
TOOL SLIDE
Total travel of cross slide		165mm 6-1/2inch
Total travel of top slide		95mm 3-3/4inch		95mm 3-3/4inch
Max. size cutting tool		16mm 5/8inch		22mm 7/8inch
TAIL STOCK
Total travel of tailstock barrel		110 mm 4-3/8 inch
Taper in tailstock barrel		M.T.#3
Diameter of barrel		Dia. 40mm　　1-9/16 inch
THREADS
Lead screw diameter & pitch		Dia. 25mm Pitch: 6mm / Dia. 1inch 4T.P.I.
Inch threads		4 – 56 T.P.I. (32Nos)
Metric pitches		0.4 – 7.0 mm (32Nos)
Diametral pitches		7-1/2~112 D.P. (32Nos) for metric system / 8~112 D.P. (32Nos) for inch system
Module pitches		0.4-7.0 MOD. (32Nos) for metric system / 0.2-3.5 MOD (27Nos) for inch system
FEEDS
Feed rod diameter		Dia. 19 mm 3/4 inch
Longitudinal feeds		0.044-1.960 mm/rev. 0.0016-0.0368 in/rev. (40Nos)
Cross feeds		0.022-0.980 mm/rev. 0.0008-0.0122 in/rev. (40Nos)
MOTOR
Main spindle motor		3 HP 2.2 KW
Coolant pump motor		1/8 HP 0.175 KW
Machine net weight		650 kgs	700 kgs	700 kgs	750 kgs

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