Model NO.
T7220B, T7220C
Production Capacity
500sets/Year
Fine Cylinder Boring Milling Machine:
Vertical Cylinder Boring Milling Machine
Transport Package:
Wooden Case or Plywood Case
Specification:
ISO, CE, SGS
Trademark:
TIMAC
Origin:
China (Mainland)
Vertical Fine Boring & Grinding-milling Machine
Part 1-----Product Introduction
Details:
T7220B & T7226:
Vertical boring machine is mainly used to bore high accurate holes of cylinder body and engine sleeve and other accurate holes.
T7220C:
The machine is mainly used for fine boring high accurate holes of cylinder body and engine sleeve, also for other accurate holes, it's can used for milling surface of cylinder. The machine can be used to boring, milling, drilling and reaming.
Parameters:
| Model | Unit | T7220B | T7220C | T7226 |
| Max. boring diameter | mm | 200 | 200 | 260 |
| Max. boring depth | mm | 500 | 500 | 500 |
| Milling cutter head diameter | mm | - | 250/315 | - |
| Max. milling area | mm | - | 850×250/780x315 | - |
| Spindle speed | rpm | 53-840 | 53-840 | 53-840 |
| Spindle feed rate | mm/r | 0.05-0.2 | 0.05-0.2 | 0.05-0.2 |
| Distance from spindle center to column | mm | 315 | 315 | 315 |
| Table longitudinal travel | mm | 900 | 1100 | 900 |
| Table longitudinal feed speed | mm/min | - | 55, 110 | - |
| Table longitudinal rapid feed speed | mm/min | - | 1500 | - |
| Table cross travel | mm | 100 | 100 | 100 |
| Boring dimensions accuracy | - | IT7 | IT7 | IT7 |
| Milling dimensions accuracy | - | - | IT8 | - |
| Roundness | mm | 0.005 | 0.005 | 0.005 |
| Cylindricity | mm | 0.02/300 | 0.02/300 | 0.02/300 |
| Boring surface roughness | um | Ra0.8-Ra1.6 | Ra1.6 | Ra0.8-Ra1.6 |
| Milling surface roughness | um | - | Ra1.6-3.2 | - |
| Machine dimensions (LxWxH) | mm | 2250x1588x2335 | 2610x1655x2345 | 2250x1588x2335 |
| Packing dimensions (LxWxH) | mm | 1830x1800x2620 | 1830x1964x2535 | 1830x1800x2620 |
| N.W/G.W | kg | 3300/3800 | 3800/4200 | 3300/3800 |
Part 2-----Our Service
1. Free replacing parts available in the warranty period.
Cost price replacing parts available beyond the warranty period.
2. Quick action and reply for the technical questions at any time in the whole life of the
machine.
3. Overseas after service center available in some region.
4. Engineer overseas service available on the requirement of customer
(relative cost born by customer).
Part 3-----About Us
Company Information
Team & Certificates
Exhibitions & Training
Customer Visited
Package & Transport
Export Cases
Part 4-----Why Choose Us
1 . High quality with competitive price;
2 . Professional R&D team and 25 years export experience;
3 . Exported more than 70 countries;
4 . CE, ISO Certificates;
5 . 24 HOURS ONLINE SERVICE (SKYPE, WhatsApp, Wechat, Trademanager);
6 . 12 months quality warranty;
7 . Oversea engineers available for problem resolving;
Part 5------FAQ
Q: Do you have QC or any safety standards for your machinery?
A: yes, we have established a highly strict quality control department to guanrantee good quality.
Q: What's the MOQ?
A: 1 set (Only some low cost machines will be more than 1 set )
Q: What about the payment terms?
A: 1) T/T with 30% advanced payment, and 70% balance payment to be paid before shipment;
2) Irrevocable LC at sight;
3) Western Union, MoneyGram, etc.
Q: How about the warranty?
A: Warranty Period is one year after delivery. Even beyond the period, we will supply lifetime service for machine.
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