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AL-1250B

AL-1250B

Heavy Duty Horizontal Lathe



Model: AL-1250B
Center height: 625mm

Centers distance: 3000mm
Turning diameter: 1250mm

Spindle Speed: 3.15-315r/min
Spindle hole: 130mm

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Product Description

Heavy Duty Horizontal Lathe



Model: AL-1250B
Center height: 625mm

Centers distance: 3000mm
Turning diameter: 1250mm

Spindle Speed: 3.15-315r/min
Spindle hole: 130mm



Technical Specification


Specification

Unit

AL-1000B

AL-1250B

AL-1400B

AL-1600B

Max. swing over bed

mm

1000

1250

1400

1640

Max. swing over cross slide

mm

615

865

1015

1250

Distance between centers

mm

                                                               1500/2000/3000/4000/5000/6000/8000/10000/12000/-

Max. turning length

mm

                                                                 1300/1800/2800/3800/4800/5800/7800/9800/11800/-

Bed width

mm

755

755

755

755

Loading capacity

kg

6000 (opt: 8000)

6000 (opt: 8000)

6000 (opt: 8000)

6000 (opt: 8000)

Spindle nose

-

A2-15 (8xM22)

A2-15 (8xM22)

A2-15 (8xM22)

A2-15 (8xM22)

Spindle bore

mm

130

130

130

130

Spindle taper

-

Metric 140

Metric 140

Metric 140

Metric 140

Spindle speed range

rpm

                                                                              Forward: 3.15-315, CW: 3.5-291

Spindle speed step

steps

                                                                                    Forward: 21, Reverse: 12

X/Z-axis feed kinds

kinds

56/56

56/56

56/56

56/56

Feed range

mm/r

                                                       Longitudinal: 0.1-12; Cross: 0.05-6; Top tool-post: 0.025-3

Metric threads range (kinds)

mm

1-120 (44)

1-120 (44)

1-120 (44)

1-120 (44)

Inch threads range (kinds)

TPI

28-1/4 (31)

28-1/4 (31)

28-1/4 (31)

28-1/4 (31)

Module threads range (kinds)

MP

0.5-60 (45)

0.5-60 (45)

0.5-60 (45)

0.5-60 (45)

Diametrical threads range (kinds)

DP

1/2-56 (38)

1/2-56 (38)

1/2-56 (38)

1/2-56 (38)

Distance spindle center to tool base

mm

48

48

48

48

Tool post swivel angle

°

±90°

±90°

±90°

±90°

Cross slide travel

mm

520

580

580

630

Top slide travel

mm

300

300

300

300

Tool section size

mm

45x45

45x45

45x45

45x45

Rapid feed speed

mm/min

                                                                Longitudinal: 3740; Cross: 1870; Top tool-post: 935

Tailstock quill diameter

mm

160

160

160

160

Tailstock quill travel

mm

300

300

300

300

Tailstock quill taper

-

MT6

MT6

MT6

MT6

Main motor power

kw

22

22

22

22

Machine length

mm

                                                           4600/5100/6100/7100/8100/9100/11100/13100/15100/-

Machine width

mm

2150

2150

2150

2150

Machine height

mm

1700

1825

1950

2150






Product Details


  • Horizontal lathe is suitable for processing large and medium-sized parts of castings, steels and non-ferrous metals. It can turn outer circle, inner hole, end face, grooving, drilling, boring and nesting, and can turn metric various internal and external threads, such as inch, modulus and diameter. 

  • Mature structure: The machine tool is solid work, strong in rigidity, high in power, wide in speed range, and capable of high-speed and powerful cutting; When finished, the roundness error is not more than 0.01mm, the cylinder degree error is not more than 0.03mm in the measuring length of 300mm.

  • Highly rigid bed: The bed is made of cast structural bed. The internal ribs have a reasonable layout and high rigidity, and the guide rail adopts an intermediate frequency quenching grinding process. In the sliding guide surface, the anti-crawling guide plate technology is adopted, and the dynamic characteristics such as the friction damping coefficient are in an optimal state, thereby avoiding the occurrence of low-speed crawling.

  • High rigidity and high precision spindle: The machine tool spindle bearing adopts famous brand products. The spindle box adopts a symmetrical structure to make the thermal deformation uniform and avoid the offset of the center of the spindle. To reduce thermal deformation, the headstock is lubricated with an oil bath cycle. The front end of the main shaft adopts a three-support structure of a two-way angular contact ball bearing. Improve accuracy and increase rigidity. The gears in the headstock are quenched and grounded to ensure accurate transmission and low noise. The well-assembled spindle has the characteristics of low temperature rise, small thermal deformation and high precision, which makes the spindle maintain relatively stable accuracy during long-term operation.

  • High rigidity overall bed with 755mm bed span, which ensures the machine has strong stability and high precision, and bed loading capacity to 6000kg.

  • Spindle standard through the hole for the Ф130mm large hole, and adopt A2-15 spindle nose connection type, runout accuracy of spindle is better. 

  • The machine tool can be used to cut the short conical surface of the motor by the top tool post, and the long conical surface can be turned by the top tool post and the longitudinal feed. 

  • High power, high rigidity and wide speed range for high speed and powerful cutting, speed range of 3.15-315rpm with 33 speeds.

  • According to machining need, customers can choose electric moving tailstock, reduce operator labor intensity and improve work efficiency.



Standard Accessories


  • 4-jaw independent chuck

  • Steady rest (over 3M length)

  • Follow rest (over 3M length)

  • Manual moving tailstock

  • Dead center

  • 4-station tool post

  • Cooling system

  • Work lamp

  • Tools & tool-box

  • Leveling wedge and bolts

  • Operation manual (English)



Optional Accessories


  • Living center

  • 2 or 3-axis digital indicator

  • Chuck guard

  • Tool-post guard

  • Rear splash guard

  • Quick changing tool post

  • Electric moving tailstock

  • Grinding attachment



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