Technical data of TS2120 deep hole boring machine
range of boring hole Dia Φ40-Φ200mm
range of drilling hole Dia Φ30-Φ80mm
Max boring &drilling depth 3000m
center height from horizental rail to spindle center 450mm

Headstock spindle hole Dia 75mm
Front spindle taper hole 85mm,1:20
spindle rotation speed ,steps 40-670r/min 12 steps

feeding speed 5-300mm/min step less
carriage rapid moving speed 2.05m/min
clamping Dia of workpiece 100-300mm
main motor N=30kw, n=1460r/min
drilling bar box spindle hole dia 75mm

front spindle taper hole of drilling bar box 85mm,1:20

drilling bar box spindle rotation speed ,steps 80-350r/min 6 steps

feeding motor N=4.4kW AC servo
carriage rapid motor N=3kW,n=2880r/min
cooling pump motor N=5.5Kw,n=1460r/min 4groups
hydraulic pumo motor N=1.5kW,n=1440r/min

rated pressure of cooling system 2.5MPa

volume of cooling system 100,200,300,400l/min
rated pressure of hydraulic system 6.3MPa
Max. Axis force for sealing head: 68kN
Max. Clamping force by sealing head on work piece: 20kN

III Function of machine：

This machine can be used to process not only regular-shape work piece(round bar, square steel ) but also irregular-shape workpiece.

It is a widely used deep hole processing equipment with high Accuracy and rigid and strong machine bed. The range of spindle rotation speed is large and feeding system is driven by AC servo motor so that it can be used for every kinds of deep hole processing. Sealing head and workpiece clampig have stable hydraulic advice

Before processing , fix workpiece on a rectangular work platform at the side of headstock by special clamp .Workpieceon the platform can be placed at any angle and Through the clamp to ensure the accuracy of the angle, and then use the clamp to make it stable. Tapered hole of the workpiece can be only drilled by special tool , this machine itself does not have such fuction.

A、The basic process performance machine:

The machine can finish inner hole drilling ,boring,expanding, roller pressuring. In processing, the workpiece rotates slowly, the tool rotates qucikly and feed, cutting fluid go into cutting area through sealing head(when drilling) or boring bar (when boring) to cool and lubricate the cutting area and take the swarf away .

When drilling BTA inside swarf removal is used. When boring cutting fluid moves to bed head side through boring bar and then take away cutting fluid and swarf.

2) The machine has headstock. In processing tool rotate and feed, workpiece is fixed on Rectangle work platform which has a T Channel.

3)Machine accuracy

Drilling, precision of hole diameter IT9-11。 Surface roughness：Ra12.5-6.3

Rough boring , precision of hole diameter IT9-10。Surface roughness：Ra6.3

Precise boring：precision of hole diameter IT8-9。 Surface roughness：Ra3.2

straightness of Processed hole: less than 0.15/1000mm。

skew of processed hole less than 0.5/1000mm。

6,processing efficiency of the machine

Skiving speed depending on tool structure, material and workpiece , usually between 50-100m/min。

Feeding speed：depending on processing situation, usually between 40-100mm/min。

Max processing Margin allowed when boring ：depending on tool structure, material and workpiece , usually not more than 20mm.

4 ) processing efficiency of the machine

Skiving speed, depending on tool structure, material and workpiece , usually between 50-100m/min。

Feeding speed：depending on processing situation, usually between 20-100mm/min。

Max processing Margin allowed when boring ：depending on tool structure,material and workpiece , usually not more than 20mm。

According to processing demand, drilling bar box or boring bar box can be installed to make tool rotate, decrease workpiece rotation speed to increase working efficiency and to make sure working quality.