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China supplier CNC deep hole skiving and burnishing machine
The machine structure and practical performance, long life, high efficiency, strong stiffness, reliable operation and pleasant.
When machining the workpiece is fixed, the tool rotates and feeds.when skiving chips and coolant are discharged from front end.
The machine is a deep hole machine, suitable for maximum skiving &burnishing diameter 160mm, the maximum length of 8000 mm workpiece . It is Widely used in the cylinder industry, coal industry, steel industry, chemical industry, military and other industries deep hole parts processing.
The Machine tools is equipped with high efficiency automatic combination tools. The two combination tool adopt fine boring & burnishing processing, diameter processing margin is 1mm. To machine 150 hole as an example: diameter margin 1mm (after rough boring or precision cold draw steel tube), feed rate can reach 300 ~ 1000mm / min (depending on the material); processing roughness can reach Ra0. 1 ~ 0.4μm, dimensional accuracy up to IT7 ~ IT9, the processing efficiency is 3 to 5 times of the traditional deep hole machine.
The machine is equipped with a hydraulic tool draw back system. After machining is completed, the hydraulic system drives the core rod to reduce the size of the skiving& roller burnishing tool diameter. The tool returns to the pressure head. The hydraulic system pulls the core rod to have the tool return to its original size. The processing method is particularly applicable to a variety of hydraulic cylinders, cylinders and other precision pipe boring and rolling batch processing
Item | Data | |
Work scope | Boring ID | 40-160mm |
Length of Job | 8000mm | |
Boring box | Center height | > 260mm |
Spindle nose | 80mm 1:20 | |
| Spindle speed | 30-1500r/min |
Spindle torque | ≥1000N.m | |
Feed data | Feed speed | 5-1500mm/min( infinite) |
Rapid speed | 3m/min | |
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Accuracy | Length | 1-9m |
Roughness of boring Roughness of burnishing | ≤Ra3.2μm ≤Ra0.8μm | |
Straightness | ≤0.05/500 mm | |
| Roundness | ≤0.036/200mm |
Motors
| Boring motor power | 30KW AC servo |
Feed motor | 5.5KW AC servo | |
Hydraulic motor | 3KW AC | |
Cooling motor | 11KW X1+ 7.5KW X 1 | |
Chip conveyor motor | 1.5KW, 1 | |
Magnetic separator motor | 0.75KW,1 | |
Lub | 0.75KW,1 | |
Other | Pushing force of pressure head on job | 10KN |
Coolant volume | 200L/min | |
Rated pressure of coolant | 0.36Mpa | |
Volume of Magnetic separator | 200L/min | |
filer accuracy | 5um | |
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Our company have more than 15 years experience in design, manufacturing and sales of deep hole drilling machine, have more than 4 million USD in fixed assets. The company occupies an area of 60 acres with two plants and employs more than 200 people.

Our advantage:
1 Has two manufacture plants, covered area more than 20,000m2, each year produce more than 200 sets of machine

2 Big quantity machine parts(beds, headstock, drill box) in stock, 2 months delivery is available, The bed will be kept for 3-6 months before machining for natural aging

3 Big quantity standard parts such as gear, hardware parts in warehouse for fast delivery.

4 Strong parts machining capacity to keep machine accuracy. Such as : bed milling, bed grinding, headstock boring ,turning.




1.How can i get the price?
-We usually quote within 24 hours after we get your inquiry(Except weekend and holidays). If you are very urgent to get the price, please email us or contact us in other ways so that we can offer you a quote.
2. Can I buy samples placing orders?
-Yes.Please feel free to contact us.
3.What is your lead time?
-It depends on the order quantity and the season you place the order.
Usually we can ship within 7-15 days for small quantity,and about 30 days for large quantity.
4.What is your payment term?
-T/T,Western Union,MoneyGram,and Paypal.This is negotiable.
5.What is the shipping method?
-It could be shipped by sea,by air or by express(EMS,UPS,DHL,TNT,FEDEX and ect).Please confirm with us before placing orders.
6.How do you make our business long-term and good relationship?
-. We keep good quality and competitive price to ensure our customers benefit ;
-. We respect every customer as our friend and we sincerely do business and make friends with them,
no matter where they come from.
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