Skraping Boring Machine

Skraping Boring Machine

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Being a highly effective, lean and fast-moving organization, we are instrumental in manufacturing and supplying a premium quality Skraping Boring Machine. Due to its rigid construction and longer service life, the machine can be used for all types of deep holes boring machining processes. Further, we assure clients that this Skraping Boring Machine is checked on various predefined quality parameters before its final dispatch.       


  • Corrosion resistance

  • Compact size

  • Robust construction

Technical parameters



Working scope

Boring hole diameter range


Workpiece length


Boring bar box spindle parameters

Center height

> 300mm

Leading end of cone hole boring bar box Spindle

80mm 1-20

The spindle speed range

Ac frequency conversion stepless speed regulation)

Output shaft torque


Feed parameters

Feed speed range

5-2000mm/min (stepless)

Plate moving fast


Machining accuracy

Locate the length


Workpiece surface roughness of boring


Workpiece surface roughness of rolling


Workpiece machining straightness

0.05/500 mm

Workpiece machining roundness


Motor capacity

Boring bar motor power

30KW Ac servo motor

Feed motor

5.5kw Ac servo motor

Hydraulic pump station motor

1.5KW Ac motor

Output cooling pump motor power

7.5KW one set,

Automatic chip removal motor power

1.5KW one set

Magnetic separator motor power

0.75KW one set

Centralized lubrication motor

0.75KW one set


Head of the biggest pre-tightening force for the workpiece


The cooling system flow


Cooling system rated pressure


Magnetic separator flow


General machine layout and main parts structural detail

Machine components

The machine tool is composed by the bed body, head of a bed frame, feeding oiler, oiler feeding system, boring bar, boring bar drag plate feeding system, the work support, boring bar support, work calipers, chip removal filter system, hydraulic system, cooling system, CNC electrical system, automatic lubrication system and other major parts.

Machine casting

Machine tool bed body, head box, boring bar enclosure, boring bar box plate, oil casing, work support body and the caliper parts use resin sand molding, high quality cast iron manufacturing, reasonable structure, went by vibration aging treatment, to ensure the machine tool having good rigidity, high strength and good accuracy stability.

  • Machine bed body
  • Head bracket of bed head
  • Boring bar box
  • Boring bar box feeding system
  • Grant oiler
  • Boring bar support
  • Workpiece calipers
  • Work support
  • Cooling system
  • Chip removal and filtration system
  • Hydraulic system
  • Automatic lubrication system
  • Electric control system
  • Equipment safeguard
  • Appearance of machine tool
  • Noise of machine tool is in accordance with Chinese national standard.
  • Machine standards

Main standards of machine tool

The accuracy of machine machining

Precision of bore diameter: drilling hole IT8 ~ IT9; Boring hole IT7

Roundness 0.036mm/200mm (after the fine boring)

Cylindricity 0.05/500mm (after the fine boring)

Roughness Heavy boring Ra6.3um

Fine boring Ra1.6um

Rolling Ra0.4um