
Automotive Line Boring Machine
An Out-of-Round Cylinder Bore Causes Oil Burning
When rebuilding automotive engines, the cylinder bores need to be bored again. Hayi Technology's automotive line boring machine service uses portable boring machines to bore engine blocks on site. It is suitable for on-site repair of construction machinery, truck, and marine engines. For example, a heavy truck repair station needed to bore a 6-cylinder diesel engine block. We used a portable boring machine on site. Roundness achieved was 0.005mm. The client said after reassembly, the engine did not burn oil. This case shows on-site boring is the key to engine rebuilding. Our MOQ is 1 piece (single engine).
|
Parameter |
Details |
|
Minimum Order |
1 piece (one engine block) |
|
On-Site Response Time |
1-2 days |
|
Boring Bar Diameter |
Φ50-150mm |
|
Stroke |
500mm |
|
Spindle Speed |
0-300 rpm, stepless |
|
Feed Drive |
Servo motor controlled |
|
Boring Bar Adjustment |
0.01mm per graduation |
|
Measurement |
Inside micrometer or dial bore gauge after boring |
|
Certification |
ISO9001:2015 (Cert No. 19925Q02204R0S) |
Portable Boring Bar and Servo Feed
We use a portable boring machine. The boring bar diameter is Φ50-150mm with 500mm stroke. Spindle speed is 0-300 rpm stepless. Feed is controlled by a servo motor. The boring tool has a micro-adjustment of 0.01mm per graduation. We hold ISO9001:2015 certification. After boring, we measure roundness and cylindricity with an inside micrometer or dial bore gauge. We can provide an on-site inspection report. Our technicians provide on-site service (advance appointment required). The engine does not need to be removed from the vehicle (cylinder head removal is required). Our automotive line boring machine service can be completed in 1 day.

On-Site Service, 1 Day to Complete
The engine can be bored on the vehicle (cylinder head must be removed). Our on-site response time is 1-2 days. Cost is calculated per hole. Payment: 50% deposit, 50% upon completion. Trade terms: EXW (customer's site). If there is a problem with the machining, we promise to rework at no cost and cover any losses. You can recommend this service to truck repair stations and construction equipment repair shops. Our technicians can help you confirm the cylinder block condition. You can help repair shops take on engine rebuilding jobs.
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