Double-head boring machine

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Double-head boring machine

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Product description

Piston special-shaped pin hole boring machine features:

NP Niu brand high-precision CNC special-shaped pin hole boring machine adopts overall flat bed design, rear chip removal, control system adopts imported or domestic well-known brands (system can be selected according to user requirements), variable frequency motor drive, X, Z direction drive adopt High-performance imported or domestic famous brand system original AC servo motor. The X and Z directions of the machine tool adopt Taiwan high-precision linear guide pair and high-precision ball screw pair. It has good dynamic characteristics and high positioning and repeat positioning accuracy.

　　The spindle unit adopts the NP series high-speed precision dynamic and static pressure spindle unit independently developed by our company. The advanced sleeve type design sets the constant temperature state, which has high accuracy, high speed and strong rigidity. This machine is equipped with a precision fine-tuning servo boring device, which is suitable for the pin hole machining, roughing and finishing of special-shaped pin holes (ellipses, tapers, curve holes) in various internal combustion engines. The pin hole size can be controlled by the program. Fine-tuning; when processing pin holes, fine-tuning compensation and simultaneous operation of the spindle can be performed simultaneously. Different-shaped pin holes of various specifications can be made according to customer drawings, which can maintain product accuracy.

Serial number	name	Note
1	Bed structure	Overall flat bed structure
2	Working table width / length	520mm / 420mm
3	Maximum bore diameter range	Φ15mm ～ Φ60mm Φ60mm ～ Φ120mm
4	Boring cutter maximum offset diameter	0.12mm
5	Piston machining diameter range	Φ50mm ～ Φ200mm / 135mm (corner cylinder)
6	Process Capability Index	CPK≥1.33
7	Pin hole roundness	≤0.002mm
8	Pin Hole Cylindricity	≤0.002mm
9	X travel	15mm
10	Maximum travel in Z direction	300mm
11	Fast moving speed	20m / min
12	Spindle speed	600-3500r / min
13	Spindle accuracy (dynamic and static pressure spindle rotation runout)	≤0.001mm
14	Tailstock sleeve stroke	200mm
15	Tailstock sleeve diameter	Φ40mm
16	Tailstock sleeve cone hole	Mohs 3 # / 4 #
17	Minimum moving unit X / Z	0.001mm / 0.001mm
18	Control System	Domestic / import
19	X / Z direction guide, screw	Precision linear guide, ball screw
20	main motor power	5.5KW / 7.5KW
twenty one	Cutting fluid capacity	70L
twenty two	Machine dimensions	2475mm * 1780mm * 1750mm
twenty three	Net weight / gross weight	4200kg / 4800kg