TK6920 CNC Floor Type Boring and Milling Machine

1.boring large and medium sized holes 2.drilling expanding reaming ang milling plane 3.offer technical support 4.ISO9001&CE

Floor Type Boring and Milling Machine Product Description 

1.This machine is mainly used for milling holes for large and medium-sized parts as well as other processing such as hole drilling, expanding, reaming and plane milling. The radial tool post of facing head can be used for surfacing; if cooperated with rotary work table, it can be used for processing inner hole and outer circle with large diameter and short length. facer is installed on boring rod, which can be applied to the processing of workpiece plane milling.

2.Main transmission system of TX6216E machine adopts DC motor, which can realize stepless speed regulation. It also has 4 mechanical variable speed regulations by using handle for control. Reversible motion of spindle can be realized by the reversible motion of motor.

Facing head rotates with hollow spindle with end face key as power train mechanism and with planetary mechanism drive radial sliding block to feed. Sliding block feed is a kind of no gap transmission which avoid "cutter falling" fault.

3.AC motor drives axial motion of spindle, motion of facing head radial tool post, vertical motion of headstock, longitudinal motion of front column. The stepless speed regulation is acquired by change of mechanical variable speed two and electric speed regulation. Electromagnetic clutch controls the mechanical variable speed regulation. Motions of all moving parts are activated by electromagnetic clutch except that motion of facing head radial tool post is activated by hydraulic clutch. Reversible motions of all moving parts can be realized by reversible motion of motor.

The sliding carriage of this machine is equipped with clamp device which ensured convenience and reliability and reduced labor strength.

4.Guideway of sliding carriage and headstock of the machine are imbedded soft band which reduced coefficients of kinetic friction and static friction and ensured running stability.

Motion of column is driven by gear and rack; motions of headstock and boring rod are driven by lead screw and nut.

5.Hydraulic lubricating system consists of domestic top brand hydraulic parts; guideway and lead screw are lubricated by auto-lubricating system.

6.The bed guideway of the machine is installed with a stainless steel shield.

 

Technical Information

Name	Unit	TK6920
Boring shaft diameter	mm	200
Boring shaft taper hole	metric	100
Boring shaft rotate speed(no grade)	r/min	2-650
Boring shaft feeding scope	mm	1200
Boring shaft stroke(Z)	mm	2000
Milling diameter of axis	mm	320
Headstock stroke(Y)	mm	3000/4000
Headstock feeding Scope	mm/min	1-4000
Headstock fast-moving pace of	mm/min	3500
Front column stroke(X)	mm	6000/8000
Front column feeding scope	mm	1-4000
Ram section size	mm	530*530
Ram travel(W axis)	mm	1200
Main motor power	kw	75
Boring shaft and ram feeding speed	mm/min	0.5-3500
Boring shaft and fast-moving pace of ram	mm/min	4000
Front column fast-moving pace of	mm/min	6000
Machine weight	t	105

Function:

1.This machine is mainly used for milling holes for large and medium-sized parts as well as other processing such as hole drilling, expanding, reaming and plane milling.

2.Main transmission system of TK6920A machine adopts AC motor, which can realize stepless speed regulation. It also has 4 mechanical variable speed regulations by using handle for control.

3.AC motor drives axial motion of spindle, motion of facing head radial tool post, vertical motion of headstock, longitudinal motion of front column. The stepless speed regulation is acquired by change of mechanical variable speed two and electric speed regulation. Electromagnetic clutch controls the mechanical variable speed regulation.

4.Guideway of sliding carriage and headstock of the machine are imbedded soft band which reduced coefficients of kinetic friction and static friction and ensured running stability.

5.Hydraulic lubricating system consists of domestic top brand hydraulic parts; guideway and lead screw are lubricated by auto-lubricating system.

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TK6920 CNC Floor Type Boring and Milling Machine