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China CNC Lathe Machine Used Cutting Metal Automatic Lathe
Automatic Pipe Threading Machine/CNC Oil Country Lathe

SANZHENG Pipe threading lathe Product advantages:
1.We use electric furnace smelting, resin sand molding casting technology,avoid sand holes, stoma casting internal defect effectively, all the accessories are assayed by imported spectrum analyzer, it assures the quality of the casting . The casting had been through second thermal aging treatment with good stability.
we can can absolutely ensure the casting quality after the United States imported equipment precision spectrometer analysis.
2.The bed of floor type is the whole structure. The rigidity and width of guide way on the bed of lathe is good enough. The guide way is through high-frequency quenching, the slide guide way joint SD compound soft belt. to make more wear-resisting and lower friction factor. The lead screw is the whole structure (not butt). The saddle is wider and thicker than before, the machine is running more stable. And the cutting ability is better.
With the super audio quenching treatment ,the hardness of Body guide rail can reach above HRC55 degrees, it can keep the hardness high accurate, and prolong the wear resistance and service life.
3.The 3 boxes of lathe were processed by Taiwan’s CNC boring and milling machine center. The other tools are processed by CNC lathe and machine center to ensure the precision of the box and tools.
The lathe bed we produced is all research and development by our own engineers. These all can greatly increased the rigidity and are helpful to widen and Thicken the dragging plate,
4.The large plate guide guide rail (X) is also go through the super audio quenching treatment, so it increased hardness and then could guarantee the service life of equipment more efficiently.
The equipment will firstly tested by the laser interferometer imported from Britain to test repeated positioning accuracy of X, Z direction in order to make sure the accuracy. Then the whole machine will be tested according to the National standard whole machine.
Our enterprise have got the ISO9001-2008 quality system certification and the European Union CE certification.
Processing Equipment
China CNC Lathe Machine Used Cutting Metal Automatic Lathe

China CNC Lathe Machine Used Cutting Metal Automatic Lathe
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Model and specifications |
QK1313 |
QK1319 |
QK1322 |
QK1327 |
QK1335 |
QK1343 |
|
Guideway width |
490 mm |
705mm |
755mm |
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|
Max.swing over bed |
630mm |
1000mm |
1000mm |
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|
Max.swing over carriage |
350mm |
680mm |
610mm |
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|
Hole through spindle |
130 mm |
200mm |
225mm |
280mm |
350mm |
440mm |
|
Max.processing Pipe diameter |
126 mm |
196 mm |
219mm |
270mm |
340mm |
430mm |
|
Max.workpiece length |
1500/3000mm |
|||||
|
The actual machining lengt |
1350/2850mm |
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|
Number of spindle speed changes |
18 steps |
12 steps |
12 steps |
12 steps |
12 steps |
12 steps |
|
Range of spindle speed changes |
12~640 r/min |
24~300 r/min |
24~300 r/min |
24~300 r/min |
24~350 r/min |
24~350 r/min |
|
Tool post style |
Vertical 4 Stations |
|||||
|
Knife rest translocation time |
3s |
|||||
|
Repeated positioning accuracy |
±0.002 |
|||||
|
Processing workpiece precision |
IT7 |
|||||
|
Workpiece surface roughness |
Ra1.6 |
|||||
|
Bed quenching hardness |
HRC52 |
|||||
|
Power of main motor |
7.5/11kw |
18.5kw |
22kw |
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|
Chuck |
400 3-jaw |
500 3-jaw |
500 3-jaw |
800 4-jaw |
1000 4-jaw |
|

Application:
The application fields of Pipe Thread Lathe machine are the Processing and repairs of drill pipe, drill collar, joint, kelly bar and sleeve of Oil sector, Metallurgic Industry, Geological Prospecting, Chemical Industry & Hydropower.
Advantage:
We use electric furnace smelting, resin sand molding casting technology,avoid sand holes, stoma casting internal defect effectively, all the accessories are assayed by imported spectrum analyzer, it assures the quality of the casting . The casting had been through second thermal aging treatment with good stability.
The bed of floor type is the whole structure. The rigidity and width of guide way on the bed of lathe is good enough. The guide way is through high-frequency quenching, the slide guide way joint SD compound soft belt. to make more wear-resisting and lower friction factor. The lead screw is the whole structure (not butt). The saddle is wider and thicker than before, the machine is running more stable. And the cutting ability is better.
The 3 boxes of lathe were processed by Taiwan’s CNC boring and milling machine center. The other tools are processed by CNC lathe and machine center to ensure the precision of the box and tools.
First step of the accuracy test of the equipment is testing the repeat accuracy of X and Y axis with Renishaw laser interometer imported from Britain. After that, inspecting and accepting the whole equipment based on the enterprise standards, guarantee the accuracy of the machine tool.


Why choose Sanzheng?
With 22 years of continuous research and practice in Pipe thread lathes, CNC lathes, ordinary lathes and special lathes line manufacturing field, to make Sanzheng as one of most competitive supplier in the pipe thread lathe processing market of China. Sanzheng provides the world widest range of equipment, establishes a world throughout customer network, matching market players’ needs of petroleum sector, metallurgical sector, geological exploration, chemical and hydropower, etc. processing and repair of drill pipes, drill collars, joints, kellys and sleeves .
1.Sanzheng is aiming to achieve the cutting-edge technologies required by the evolution of materials available today.With CE, ISO certification.With 10 consecutive years for German Knuth OEM, there are hundreds of orders each year.
2. Currently exporting to Russia, UAE, with rich export experience, responsible for customers throughout.Have a professional technical team, can be customized according to customer requirements.
3. Has its own casting factory to ensure the quality of the equipment.Free processing samples for customers, and can take videos to see the effect of processing.
4. Manufacturers specialize in pipe thread production, engineers have good stability and rich experience to ensure the accuracy and accuracy stability of the equipment.Qualified equipment guarantee the long-life using, easy operating and outstanding performance.
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