Bench Lathe Machine CZ1237
The CZ1237 is a bench lathe built for shafts, sleeves, bushes and small disc work where a full-size floor lathe is more machine than the job needs. It swings 305mm over the bed, 173mm over the carriage and takes 940mm between centres, and the removable gap opens the swing to 440mm when a flange or pulley face is wider ...
What This Machine Does
The CZ1237 is a bench lathe built for shafts, sleeves, bushes and small disc work where a full-size floor lathe is more machine than the job needs. It swings 305mm over the bed, 173mm over the carriage and takes 940mm between centres, and the removable gap opens the swing to 440mm when a flange or pulley face is wider than the bed will otherwise clear. The bed ways are precision ground and hardened, and the spindle runs in precision roller bearings with a 36mm bore and an MT5 taper, so bar stock can be fed through the headstock instead of being held out on a long overhang. Headstock gears are ground and hardened steel, and twelve spindle speeds from 50 to 1200 r.p.m. are selected on lever change rather than by swapping belts. Threading covers 15 metric pitches from 0.25 to 7.5mm and 40 imperial pitches from 4 to 112 T.P.I., which is what lets one machine cut repair threads in either measuring system.
Why Buyers Choose This Machine
- Removable gap raises the swing from 305mm to 440mm so wide flanges and pulleys can be faced on a bench-size machine
- 36mm spindle bore with MT5 taper lets bar stock pass through the headstock instead of hanging out of the chuck
- Twelve lever-selected speeds from 50 to 1200 r.p.m. cover roughing in steel and finishing in brass without belt changes
- Metric and imperial thread ranges on one machine so repair work in either system does not need a second lathe
- Precision ground and hardened bed ways hold carriage alignment over the full 810mm saddle travel
- Ground and hardened headstock gears run quieter and wear slower than as-cut gears under interrupted cuts
- 1.1KW main motor and 0.04KW coolant pump keep the power and plumbing simple to wire and maintain
Where Bench Lathe Machine CZ1237 Earns Its Place
Problems It Solves
- Wide flange work will not clear the bed on a bench lathe without a gap, so the gap piece lifts the swing to 440mm
- Chucking long bar without a through bore causes overhang chatter and unsafe projection
- Belt-change speed selection wastes time between roughing and finishing passes
- Shops that see both metric and imperial threads otherwise need two machines or hand-cut threads
- Soft unground bed ways lose carriage accuracy early and turn taper into every long shaft
- Sending small repair turning outside costs more in downtime than the part is worth
Who It Is For
- Maintenance and repair workshops turning their own replacement parts
- Toolrooms needing a compact lathe for small shafts bushes and fixtures
- Agricultural and vehicle repair shops working in both metric and imperial threads
- Technical schools and training workshops teaching manual turning
- Distributors supplying small workshops in export markets
Application Scenarios
- Turning shafts and sleeves up to 940mm between centres in a maintenance workshop
- Facing and boring pulleys and flanges up to 440mm diameter using the removable gap
- Cutting replacement metric or imperial threads on damaged studs and spindles
- Bar work fed through the 36mm spindle bore for short repeat parts
- Toolroom work in a shop that has no space or floor loading for a full-size engine lathe
- Training and second-operation turning alongside larger production machines
Technical Detail
Technical Features
- Precision ground and hardened bed ways 182MM wide
- Spindle supported on precision roller bearings
- Headstock gears of ground and hardened steel
- Lever-operated speed change across 12 spindle speeds 50-1200 r.p.m.
- Removable gap piece for large diameter work
- 36mm spindle bore with MT5 spindle taper and MT3 tailstock centre taper
- Lead screw 22mm diameter with 3mm or 8 T.P.I. pitch
- Tailstock barrel 32mm diameter with 95MM travel
- 1.1KW main motor with 0.04KW coolant pump
Specifications
| Machine type | Bench lathe machine |
|---|---|
| Models | CZ1237 (BL1237) |
| Swing over bed | 305mm |
| Swing over carriage | 173mm |
| Swing over gap | 440mm |
| Distance between centres | 940MM |
| Spindle bore | 36mm |
| Spindle taper | MT5 |
| Spindle speeds | 12 speeds 50-1200 r.p.m. |
| Width of bed-way | 182MM |
| Metric threads | 15 kinds 0.25-7.5mm |
| Imperial threads | 40 kinds 4-112 T.P.I. |
| Longitudinal feed range | 0.12-0.42mm/r |
| Lead screw | 22mm diameter 3mm or 8 T.P.I. pitch |
| Saddle travel | 810mm |
| Cross travel | 150mm |
| Compound travel | 85mm |
| Tailstock barrel | 32mm diameter 95MM travel MT3 |
| Motor power | 1.1KW |
| Coolant pump | 0.04KW |
Figures above are taken from the product information we hold. Send us your application and we will confirm the exact specification for the model quoted.
How It Is Built and What Can Be Changed
Operations Performed
- Turning
- Facing
- Boring
- Thread cutting
- Taper turning
- Parting
Quality Control
- Bed ways checked for straightness and hardness after grinding
- Spindle run-out measured at the nose with the roller bearings set
- All twelve spindle speeds run and checked against the chart before packing
- Test cut and thread sample taken to confirm lead screw and feed box function
- Motor and coolant circuit tested at the supply voltage specified on the order
Customisation Options
- Supply voltage and frequency set for your market before shipment
- Chuck steady rest follow rest and tool post combinations selected with the order
- Lead screw supplied in 3mm pitch or 8 T.P.I. according to the thread system you work in
- Machine plates and manual prepared in the language you need
- Export packing specified for sea or air freight
How It Compares With the Alternatives
| Floor-standing engine lathe | A floor lathe takes more space and foundation; the CZ1237 sits on a bench and still gives 940mm between centres and a 440mm gap swing |
|---|---|
| Bench lathe without a removable gap | Without the gap the swing stops at 305mm, so wide flange and pulley faces have to go elsewhere |
| Belt-change bench lathe | Lever speed change across 12 speeds is faster between roughing and finishing than opening a cover and moving a belt |
| Hand-cut or die-cut threads | The feed box cuts 15 metric and 40 imperial pitches to length and depth, which hand dies cannot do on worn or non-standard sizes |
Running the Machine
Step 1
Level the machine on its bench and check the bed for twist before the first cut
Step 2
Fit the chuck to the MT5 spindle nose arrangement and check run-out
Step 3
Remove the gap piece only when the work needs more than 305mm swing and refit it for normal turning
Step 4
Select the spindle speed on the change levers to suit material and diameter
Step 5
Set the feed box for the feed rate or thread pitch from the plate and engage the lead screw for threading only
Step 6
Support long work between centres using the MT3 tailstock centre or the steady rest
Step 7
Keep the ways and lead screw clean and lubricated and check coolant flow at the start of each shift
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Questions About Bench Lathe Machine CZ1237
What is the largest diameter this lathe will take?
305mm over the bed and 173mm over the carriage, or 440mm in the gap once the gap piece is removed. Length is limited to 940mm between centres.
Can I feed bar through the spindle?
Yes, up to 36mm diameter through the spindle bore. Anything larger has to be held in the chuck and supported at the tailstock.
Does it cut both metric and imperial threads?
Yes. 15 metric pitches from 0.25 to 7.5mm and 40 imperial pitches from 4 to 112 T.P.I. The lead screw is supplied in 3mm pitch or 8 T.P.I., so tell us which system you use most.
What voltage is the machine supplied at?
The 1.1KW motor and 0.04KW coolant pump are wired to the supply voltage and frequency you specify on the order. Send us your voltage phase and frequency with the enquiry.
What accessories come with the machine?
Chuck tool post steady rest and follow rest combinations are agreed with the order. Tell us the work you run and we will list what is included and what is optional.
How is the machine packed for export?
It is packed for sea or air freight as required and shipped on FOB CFR or CIF terms from our Xi'an works.
What are your payment terms?
30 percent by T/T on order and 70 percent before shipment, or an irrevocable L/C at sight.
Request a Quote on the Bench Lathe Machine CZ1237
Send us the work you need it to do, the voltage on your site and the port you ship to. We will come back with the model, the tooling and the lead time.