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BJ Series Bochi Small Gap Bed Normal Turning Lathe Machine

Bochi Turning Lathe Machine
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  • BJ Series
  • MACH
BJ Series Bochi Small Gap Bed Normal Turning Lathe Machine


1. BJ series gap-bed lathes can perform internal and external turning, taper turning, end facing, and other rotary parts turning;
2. Threading Inch, Metric, Module and D.P.;
3. Perform drilling, boring and groove broaching;
4. Machine all kinds of flat stocks and those in irregular shapes;
5. Respectively with through-hole spindle bore, that can hold bar stocks in larger diameters;
6. Both Inch and Metric system are used on these series lathes, it’s easy for people from different measuring systems countries;
7. There are hand brake and foot brake for users to choose;
8. These series lathes operate on power supply of different voltages (220V380V420V) and different frequencies (50Hz60Hz). 


Items UNIT BJ1630G/40G/60G BJ1830G/40G/60G
BJ1630GD/40GD/60GD BJ1830GD/40GD/60GD
Max. swing dia. over bed mm φ410 φ458
Max. swing dia. over toolpost mm φ240 φ288
Max. turning dia. over bed mm φ380
Max. swing dia. in gap mm φ595 φ640
Length in gap mm 155
Max. distance between centers mm 750/1000/1500
Max. machining length mm 650/900/1400
Spindle bore diameter mm φ52 φ52; D/B:φ77
Taper of spindle bore Morse No.6 D/B series:1:20
Type of spindle nose ISO 702/Ⅱ No.6 Cam-locking type
D/B:ISO 702/Ⅱ No.8 Cam-locking type
Spindle speed r/min 8 steps 80-2000;
GD series: 12 steps 32-2000
D/B series: 12 steps 24-1600
Max. travel of upper toolpost mm 120
Max. travel of lower toolpost mm 230
Tool section mm 25×25
X-axis feeding range mm/r 40 kinds 0.015-0.45
Z-axis feeding range mm/r 40 kinds 0.03-0.90
Metric threads mm 53 kinds 0.4-14
Inch threads t.p.i 40 kinds 2-56
Module threads πmm 44 kinds 0.4-7
Diametric pitch threads t.p.i.π 32 kinds 4-56
Diameter of quill mm φ55
Max. travel of quill mm 120
Taper of quill (Morse) Morse No.4
Main motor power kW 4
Cooling pump motor power kW 0.09
Length mm 2000/2250/2750
Width mm 980
Height mm 1210
Weight kg 1450/1700/1950 1500/1750/2000


3 Jaw Chuck and Adapter
4 Jaw Chuck and Adapter
Drive Plate
Face Plate
4-Way Tool Post
Stead Rest 120-260mm
Follow Rest
Drive Plate
Foot Brake
Full-Length Splash Guard
Longitudinal Mechanical Stop
Halogen Light
All Standard Accessories


1. Taper Turning Attachment
2. Thread Chasing Dial
3. SINO 2 Axis DRO


Quality is our forte and we have clients spreading all over the world. We are committed to a well-defined and self-framed quality policy. The policy revolves around through and repeated checking of the turning lathe machine. We are the regular exporters of our products throughout Asia, Africa and several European countries. Our after-sales service terms and conditions as follows:

  • The turning lathe machines are tested and have trial production in our factory before leaving our factory and they are shipped out only after the customers are satisfied with them.
  • When the turning lathe machines are tested, our technicians will train the customers’ technicians in theory and practice till they grasp the skills.
  • During this period of one year warranty , if the turning lathe machines were damaged by non-artificial reasons, we are responsible for repairing or changing parts.
  • During this period of warranty, if there is something wrong with the turning lathe machine, we are responsible to provide project for solving this problem at the soonest, and help customers to restore production as soon as possible.
  • After the warranty, we charge only cost price for maintaining the turning lathe machines within three years.
  • Other after-sale terms can be agreed by buyer and seller in addition.

Professional & Reliable Partner
 No.3 Zhenhua Street, Dalian,116011,China
 +86-411-83617286
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