HEAVY DUTY PRECISION LATHES(With Inverter)(A643)

A643

HOMEPAGE

E-MAIL

Heavy Duty Precision Lathes

Model	A643
Spindle Bore	153mm(6") / 230mm (9")opt / 305mm(12")opt
Height of Centers	550x1500~9000mm
Spindle Speeds	H: 740~123rpm	H: 590~98rpm	H: 450~76rpm
	M:122~25rpm	M:97~22rpm	M:75~18rpm
	L: 24~5pm	L: 21~4rpm	L: 17~3pm
Six directional auto & rapid feed(Include tool post)

Better performance than conventional lathes

3-step speeds, each in variable speed chang

Speed change by auto shifting

More convenient turning processing control & spindle speed shown on rpm meter

Braking controlled by quick inverter stop

Through cross feeding at fixed spindle speed, you'll get the fine accuracy & speed for
slide face of round plate (similar to CSS function)

Through cross feeding for step turning, the spindle speed change can match and
achieve rapid effect

SPECIFICATIONS

MODEL\ ITEM

A-643

General Capacity

Center height

550mm

Max. swing over bed

1100mm

Max. swing over cross gap

1540mm

Max. swing over cross slide

832mm

Distance between centers

1500-9000mm

Main Spindle

Spindle nose

A2-11

A2-15(opt)

A2-20(opt)

Spindle bore

153mm (6")

230mm (9")

305mm (12" )

Spindle speeds

H:	740~123 rmp	590~98 rmp	450~76 rmp
M:	122~25 rmp	97~22 rmp	75~18 rmp
L:	24~5 rmp	21~4 rmp	17~3 rmp

Carriage

Gross slide travel

530mm

Compound rest travel

380mm

Tailstock

Tailstock spindle dia.

105mm

Tailstock spindle travel

300mm

Tailstock spindle taper

MT#6

Bed

Bed width

510mm

Threading

Lead screw

2TPI or 12mm/pitch

Metric pitch threads

1-120mm/pitch(62 kinds)

Inch threads

1/4-30TPI(70 kinds)

Module pitch threads

0.25-30M(53 kinds)

DP threads

1-120P(70 kinds)

Feeding Range

Range of longitudinal feeds

0.06-7.5mm/rev

Range of cross feeds

0.03-3.7mm/rev

Motor

Main spindle motor

20HP

Rapid feed motor

1HP

Coolant pump motor

1/8HP

Center dist:3m

Net Weight Approx.

8000kgs
Add or reduce per meter 700kgs

8300kgs
Add or reduce per meter 700kgs

Gross Weight Approx.

8700kgs
Add or reduce per meter 1000kgs

9000kgs
Add or reduce per meter 1000kgs

Note: We have the right to modify the specifications or designs. if there are subjected to change,without prior notice.

STANDARD EQUIPMENT:

Center sleeve	1PC
Center	2PCS
Main drive motor	1SET
Tool box & tools	1SET

OPTIONAL EQUIPMENT:

Steady rest	Auto feeding tool post
4 Jaws independent chuck	Work light
Face plate with 4 jaws	Follow rest
3 Jaws scroll chuck	Coolant equipment