Automotive Engine Boring Machine

The cylinder bore, main bearing cap bore, and camshaft bracket bore in an engine directly affect oil sealing and power output. Hayi Technology's automotive engine boring machine service uses high precision boring machines to semi-finish and finish bore aluminum or cast iron parts. We can machine holes from φ10 to 150mm with depth-to-diameter ratio over 5:1. Position tolerance is within 0.01mm. For example, a racing engine modifier needed a high precision cylinder bore. We bored it to 0.003mm roundness. The client saw a clear power increase after assembly. This case shows precision boring helps an engine perform at its best. Our MOQ is 1 piece.

Precision Boring Machine and Thermal Control

Our machine shop has precision boring machines with spindle runout less than 0.002mm. We use single-edge micro-adjust boring bars or double-edge floating boring bars. For different materials, we select CBN or PCD inserts. All boring is done in a temperature-controlled workshop to avoid thermal expansion errors. We hold ISO9001:2015 certification. After boring, we measure every hole with an air gauge or inside micrometer. We record roundness and cylindricity. Before packing, we do 100% full inspection. We also accept third-party inspection. Our technicians can write boring programs based on your drawing. Our automotive engine boring machine service gives you racing-level precision without buying expensive machines.

Not every client can buy a high precision boring machine. Hayi Technology offers outsource precision boring. Custom sample time is 1 day minimum. Send us your part or drawing. We evaluate the same day. After order confirmation, lead time is about 15 days. Repeat orders are faster. Payment: 30% deposit for standard products, 50% deposit for custom products, balance before shipment. We support EXW, FOB, and DDP. During production, we send photo or video updates. If any problem occurs, we talk immediately and improve after we find the cause. We have a dedicated after-sales person. Our technicians can help you design special fixtures to ensure repeat positioning accuracy. You can take high difficulty orders with our support.

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