Table type horizonztal boring milling machines TK6111,TK6113

Table type horizonztal boring milling machines TK6111,TK6113:

The main structure of the machine tool is a cross shaped, integral bed, with fixed

columnsside hanging spindle box, and a rotating workbench running on a cross slide. High

width base, large span and multi support design, high rigidity and high strength. It

integrates a variety of advanced technologies such as mechanical, electrical, optical,

hydraulic and information technologies, and integrates modular, modern, digital and

user-friendly design.

Main technical parameter:

Main technical parameter:

Spindle：

The two-layer nested spindle is adopted, namely the hollow milling spindle and the

boring spindle. The spindle bearing adopts the group bearing imported from

Switzerland, and the optimized design makes the spindle structure with high precision

and good rigidity. The main drive of the machine tool spindle rotation is driven

by an imported spindle speed-adjusting motor, which is secondarily transmitted to

the milling axis through the internal gear of the gearbox, and then realizes the

rotary motion of the boring spindle and the milling spindle.

Headstock:

The spindle headstock is the heart of the boring mills, which is composed of the spindle,

main drive, spindle feed, accurate stop and other devices. The main drive is powered

by stepless speed regulation of the AC speed regulating shaft motor, the electro-hydraulic

control automatically shifts gears, and is transmitted to the milling spindle through the

Gear secondary transmission. The main spindle of this machine has the advantages of

high torque, high power, high speed, wide speed range, high precision, etc. The standard

spindle accurate stop function, chip cooling adopts external cooling and air cooling.

Column:

The double-walled closed frame structure is adopted, and the honeycomb-shaped

high-reinforced plate is arranged in the cavity, which can ensure that the column

has high torsional and bending rigidity, thermal stability and vibration resistance,

and ensures the best machining accuracy of the machine tool.

Base:

 With superior strength, bending and torsional rigidity and structural functions, it can ensure

the safe, reliable and high-performance operation of each component on the base, thereby

ensuring the high rigidity, high precision, high stability and high efficiency of the machine

tool.

Slider:

Using finite element analysis method, through advanced sensitivity analysis and

structure optimization technology, excellent rigidity and mass ratio are obtained, and high-quality cast iron parts are used, and after secondary aging treatment, it has high precision retention.

Worktable ：

The rotary shaft of the worktable is centered with high rigidity and high precision

double-row cylindrical roller bearings, and the upper part adopts thrust bearings

to improve the rigidity and torsion resistance of the workbench. It adopts Fagor

circular grating detection and full closed-loop control, which can realize arbitrary

indexing and continuous rotation (B axis), and can be used as a feed axis. The slewing

brake is a hydraulic clamping brake.

 Guide rails：

 The Y axis adopts ultra-large and ultra-wide precision composite guide rail; the

X and Z axes adopt roller linear guide rails; the B axis adopts double-ring

plastic-coated guide rails,

It has the advantages of small friction coefficient, good vibration absorption, high

precision and long life. The W-axis is guided by high-hardness and precision

double-segment round holes, and the boring shaft is flexible in telescopic movement,

with high precision and good retention. Guaranteed heavy-duty, strong, precision

cutting.

Drive:

 The X, Y, Z, W, and B axes are all driven by Siemens AC servo feed motors, among which the X, Y, Z, and W axes are all driven by circular arc gear precision deceleration to drive the ball screw to rotate, and the screw nut moves; the B axis passes through The high-precision and high-rigidity reducer double gear drives the ring gear table to rotate, and the ring gear is ground, which can ensure the transmission accuracy and reliability of the transmission system.

balance:

 With the weight balance device, the up and down movement of the spindle headstock is

flexible and stable, safe and reliable, and the accuracy can be compensated.

Spindle cooling:

Spindle constant temperature oil open cooling, control the temperature rise of the

spindle bearing during the cutting process of the machine tool, and reduce the

influence of the thermal deformation of the spindle on the machining accuracy. When

the cooling oil flows through the cooling jacket, it takes away the heat generated

by the main shaft bearing, and cools the main shaft bearing. The cooling oil cools

and lubricates the main transmission gear.

 Hydraulic system:

The hydraulic system of the machine tool is composed of hydraulic pumps, hydraulic

actuators, hydraulic control devices and auxiliary devices. The main functions include

main drive gear shifting, spindle loosening broach, and B-axis braking.

 Lubrication system:

Guide rails and lead screw nuts adopt centralized lubrication stations, spindle bearingsand

lead screw bearings are lubricated with grease; headstock gears and gearbox bearingsare

lubricated with oil; the planetary reducer must be equipped with lubrication before leaving

the factory, and it is free of refueling and maintenance for lifelong use .

Detection Systems:

The B coordinate axis of the machine tool is equipped with standard circular grating detection and full closed-loop control; the W axis encoder detection is semi-closed-loop control, and the X, Y, and Z coordinate axes of the machine tool are fully closed-loop control. The main shaft is equipped with a directional accurate stop detection device, which can be used for rigid tapping.

 CNC system:

Equipped with German high-performance SIEMENS 828D CNC system, which can

guarantee CNC machining functions and auxiliary functions. The AC spindle servo drive

unit, AC feed servo drive unit, AC spindle motor, and AC servo feed motor are imported

from Germany with reliable and excellent performance.