CNC Micro-hole Honing Machine

Deep Hole Honing Machine – Precision Finishing for Small-Diameter Bores

This deep hole honing machine is designed for high-precision finishing of small-diameter cylindrical deep hole components. With a honing range of Φ5 to Φ10 mm and a maximum depth of 1 meter, it delivers exceptional bore accuracy, surface finish, and geometric correction capability.

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Key Specifications

Parameter	Value
Honing diameter range	Φ5 – Φ10 mm
Max honing depth	1 m
Max workpiece length	1 m
Workpiece OD range	Φ25 – Φ70 mm
Honing box speed range	50 – 3000 r/min
Honing box motor power	1.5 kW
Z1 axis feed speed	1 – 20 m/min
Z1 servo motor torque	14.3 Nm
Total machine power	10 kW
Machine floor space	5.1 m × 2.3 m
Max external oil supply flow	100 L/min
Filtration accuracy	20 μm

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Deep Hole Honing Machine Machining Precision

Hole diameter precision: IT7 – IT8

Surface roughness: Ra0.2 – 0.8 μm

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Deep Hole Honing Machine Features

Servo-controlled honing head – fixed-pressure and quantitative feeding modes

Two oil supply modes – external oil spraying and internal oil feed

Two CNC axes – Z1 for reciprocating motion, Z2 for tool expansion/contraction

PLC control – programmable speed, feed, and reciprocating parameters

High-quality cast iron bed with two aging treatments – long-term stability

Rolling linear guideways – smooth high-speed reciprocating motion

Precision ground and quenched gears – high strength and wear resistance

20 μm paper bag + magnetic roller filtration – clean cutting oil

Partial honing capability – corrects taper, ellipticity, and local errors

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Deep Hole Honing Machine Main Components

Component	Description
Bed	High-quality cast iron, two aging treatments, rolling guideways
Honing box	50-3000rpm, servo spindle motor, precision gears
Workpiece carriers	Two sets, V-shape, adjustable for different diameters
Honing bar support	Two sets (one fixed, one movable)
Cooling system	External spray + internal feed, 100L/min, 20μm filtration
Control system	PLC with programmable parameters
Lubrication system	Automatic for guideways, oil bath for gears/bearings

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Deep Hole Honing Machine Component Manufacturers

Component	Brand
PLC Control	Delta
Electrical Components	Siemens / Schneider
Rack and Pinion	Taiwan YYC or Equivalent
Bearings	Chinese Famous Brand

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Deep Hole Honing Machine Standard Equipment

Bed

Honing box

2 sets of workpiece brackets

Honing bar support

Rack and pinion

Cooling system

PLC control system

Electrical cabinet

Working light

Operation manual

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Deep Hole Honing Machine Optional Accessories

Auxiliary tools

Cutting oil

Alternative CNC systems

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Why Choose This Honing Machine?

Benefit	Reason
Precision small-bore finishing	Φ5–10mm range, IT7-IT8 accuracy
Excellent surface finish	Ra0.2-0.8μm
Fast setup	PLC programmable parameters
Versatile oil supply	External + internal modes
Corrects bore errors	Partial honing capability
Long-term accuracy	Two aging treatments on bed
Smooth operation	Rolling linear guideways
High-speed capability	50-3000rpm stepless
Clean operation	20μm filtration system

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Typical Applications

Hydraulic cylinder tubes

Pneumatic actuator bores

Automotive fuel injector components

Precision guide bushings

Small-diameter deep hole finishing

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