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QLK1325 Pipe-Threading CNC Lathe

1.Extra-large Workpiece Capacity

The maximum swing diameter of the bed is Φ820mm;

the maximum swing diameter of the slide is Φ500mm;

the maximum workpiece length is 1500mm-3000mm;

the processing pipe diameter is Φ60–250mm, covering mainstream specifications such as oil casing, tubing, and drill pipe.

2.Multi-Functional Machining Capabilities

In addition to internal and external tapered threads , the machine can turn external diameters, bore holes, face surfaces, and chamfers. 

It accommodates both shaft and disc-type parts, offering multi-purpose functionality and reducing equipment costs.

3.Dual Four-Jaw Chuck Configuration

Front and rear Φ630mm manual four-jaw chucks provide secure clamping, accommodating irregular tubular parts and long workpieces while ensuring easy maintenance of coaxiality.

4.Reliable Load-Bearing and Structure

The width of the bed way is 600mm, and the max load capacity is 3T. 

It has strong structural stability and can handle the processing of workpieces with a certain weight.


  • Overview
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QLK1325 Pipe-Threading CNC Lathe is a medium-sized CNC lathe, mainly suitable for turning shaft and disk workpieces. It supports pipe thread processing, with a maximum processing length ranging from 1500mm to 3000mm, which can meet the processing needs of workpieces of different lengths.

Key Components

QLK1328-key compent.png


Optional configuration

Optional Fanuc, Siemens, Guangsu and Kaindi numerical control system; Optional hydraulic chuck, horizontal cutter tower or power cutter tower, hydraulic tail seat, fully enclosed protective cover, rear support, measuring size.

Standard Configuration

Double three-jaw chuck, four-station electric tool holder, manual tail seat, automatic centralized lubrication system, cooling system, semi-closed protective cover.

Product Specifications

QLK13 CNC lathe main specifications/technical parameters.

SPECIFICATIONGS

UNIT

QLK1325

Processing Range

Swing over bed

mm

Φ820


Swing over cross slide

mm

Φ500


Distance between centers

mm

1500–3000


Pipe threading range

mm

Φ60-250


Width of bed way

mm

600


Max. load capacity

T

3

Spindle

Spindle bore

mm

Φ255


Spindle speed

r/min

28-500


Spindle speed steps

 Manual 2 steps


chuck

mm

Φ630 4-jaw manual

Knife Holder

Turret/tool post

 NC turret 4position


Tool shank size

mm

32

Feed

X axis travel

mm

420


Z axis travel

mm

1250–2750


X Rapid traverse speed

mm/min

4000


Z Rapid traverse speed

mm/min

6000

Tailstock

Tailstock quill travel

mm

250


Tailstock quill Dia.

mm

Φ120


Tailstock taper

mm

MT6

Motor

Main motor power

kW

15

External dimensions

Width x Height

mm

1800×1810


Length

mm

3800-5300

Weight

Net weight

T

6-7.2

Note: The bed rotation diameter and bed length can be customized according to customer requirements.

Advantages

  •  Large spindle through hole, high passability, double chuck workpiece clamping stability;

  • High quality high strength cast iron overall bed rigidity, high precision;

  • The surface of the guide rail is quenched by super audio hardening, with high hardness and

long accuracy retention.

  • The drag plate adopts the process of guideway surface plastering, which has low friction

resistance, good wear resistance and high precision.

Applications

This machine tool is designed for large-diameter, heavy-duty cutting, and high rigidity. It is primarily used for machining internal and external threads on medium- to large-sized tubes, while also supporting the turning of shaft and disc-type components, such as large-diameter shafts, flanges, and discs—including external cylindrical surfaces, internal bores, and end faces

With a bed width of 600–650 mm, it features a wide-bed, heavy-duty configuration, making it suitable for applications in the petroleum, chemical, geological, coal machinery, and pipeline network construction industries.

FAQ

1. What are your payment terms?

We accept T/T (Telegraphic Transfer) and Irrevocable Letter of Credit at sight.

For T/T: 30% deposit with order, and the remaining 70% balance before shipment.

2. What are your main products?

We manufacture a wide range of machine tools, including but not limited to: CNC Lathes, CNC Milling Machines, Vertical Machining Centers (VMCs), Conventional Lathes, Drilling Machines, Radial Drills, Bandsaws, and Planers.

3. What is your lead time for delivery?

Standard Models: Ready for shipment within 15 days.

Customized/Special Configurations: Approximately 30 days.

4. Which trade terms do you accept?

We are flexible and can work under FOB, CFR, or CIF terms.

5. What is the Minimum Order Quantity (MOQ) and warranty period?

MOQ: 1 unit.

Warranty: We provide a standard 12-month warranty for parts and workmanship, backed by lifetime technical support.

6. How are the machines packaged for export?

Each machine is securely mounted on a metal pallet, lined with moisture-proof materials, and fully enclosed in export-grade plywood cases for maximum protection during ocean freight.


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