In today’s competitive market, you need robust CNC turning centers with un-compromised performance and specifications to produce world class products quickly, accurately and with minimum of non productive time.

STRUCTURE and FRAME
The rigid and single piece 45° slant base is made out of 25 grade cast iron for more stability. It is heavily ribbed to provide rigidity and least distortion during heavy cuts and faster production, with virtually no vibration. Structure also facilitates easy chip flow.

SPINDLE
The spindle is of cartridge type design and uses 3 super precision angular contact bearings in the front and 2 angular contact bearings at the rear end. The bearing configuration gives high stiffness to the spindle assembly in both axial and radial directions.

TAILSTOCK
The tailstock consists of a hydraulically operated quill, which moves inside the housing. The quill and body are independently moveable. The tailstock is supported on V and flat guideways. Programmable quill being provided as a standard.

CALIBRATION
Calibration is being done with laser and ball bar. Macpower ensures maximum value addition and quality output.

CARRIAGE ASSEMBLY
Z Slide and X Slide are mounted over precise and heavy load capacity 4 circuit linear guide ways, designed to support increased acceleration and deceleration rates as well as increased cutting pressure.

GUARDING
Equipped with the advantage of an ergonomic design. The machine comes with a full guard that enables a clean premise throughout the operation. This feature prevents the contaminants from the machine slides, switches and other electrical devices.

Macpower introduces VTX series – CNC Vertical Turning Centers designed and developed by team that has abundance experience in manufacturing CNC turning centers and machining centers. It is a combination of high power performance and excellent unyielding construction. It is designed to operate in medium and high production environments. Machine is equipped with robust structure design to ensure rigidity, stability, accuracy and flexibility for the machining of chucking parts.

Moderately small footprint saves valuable workspace – perfect for automation or cell automation. Machine is offered with precision linear guide ways, indexing turret, swivelling control panel and dominant spindle. Optional 'C' Axis and a live tool turret enable components to be developed in single set-up.

BASE
Robust and adequately rib reinforced grade 25 cast iron base design assure maximum rigidity and stability. FEA techniques were used to design a rigid and structurally balanced machine, resulting in superior damping characteristics for minimized vibration to the work piece. The base is designed to offer superior workability and chip-discharging capability. The structure is stress relieved to give life time deformation free service.

Extra wide span between slide ways of 4 circuit linear guide way blocks is designed to withstand against increased acceleration and deceleration rates as well as increased cutting load.

COLUMN
Adequately ribbed column structure holds X & Z carriages, offering remarkable machining. To withstand heavy machining, optimal reinforced ribbing is directly casted into the one-piece column structure.

TURRET
Massive 8 stations fast indexing sturdy bidirectional turret is offered as a standard feature. Turret ensures robust metal cutting potential and high yield.

SPINDLE
The cartridge type high precision spindle is supported by the double row cylindrical roller bearing and bi-directional angular thrust bearing. Radial and axial loads are accommodated individually. The bearings are grease lubricated for life. The high torque, constant power supplying AC spindle motor minimizes spindle acceleration/deceleration rate, also enabling strong machining ability.

Overview :

Our new generation Vertical Machining Centers are incorporate a wide range of enhancements and available with a myriad of options to choose from.The modular machine portfolio and sophisticated engineering knowledge that enables us to deliver optimized solutions with optimal performance that make Macpower VMCs better than ever before.

Structure & Frame :

Sturdiness of the foundation determines the soundness of the structure. The major construction parts are based on FG260 grade cast iron, to ensure optimum harmonic stability and maximum damping during cutting. Base and column are reinforced with heavy ribs for stability and least distortion. The uniform dense, fine graded casting distributes stress and heat throughout the machine structure.

High Capacity Accurate Spindle :

The precision cartridge spindle unit having three super precise angular contact bearings at front and two at rear end, this combination ensures higher stiffness. Bearings are perfectly aligned and grease packed for long life.
Spindle is indirectly driven by high speed AC spindle motor with reduced pulley ratio, to achieve high spindle torque and optimal performance of machine.

Precise Linear Guideways :

All axes are furnished with precise and heavy load capacity re-circulating ball guide ways enabling high acceleration-de acceleration and hence batter productivity

Double-Anchored Ball Screws :

Ball Screws are directed by direct coupled AC servo motor with flexible coupling. This greatly improves positioning accuracy, and provides more accurate threading and contouring. Ball Screws are anchored at both ends and inspected for parallelism with axis guide. Pre-loaded ball nuts eliminate backlash.

Advance Inspection Technology :

Laser Calibration is carried out to insure the linear accuracy, providing accurate compensation for pitch and backlash. The machine facilities the attainment of positional accuracy up to 0.01 mm / 300 mm and repeatability accuracy up to 0.007 mm. In order to ensure best interpolation among axes, machine is subjected to undergo rigorous Ball Bar Testing which also enables maximum squareness.

Ergonomics Design :

In design of our machines ergonomics are given equal priority with its functionality. Optimum job loading heights, easy access to spindle, easy of chip removal, easy maintenance, are some of the key aspects considered. We endeavor to continuous improvement of existing products to cater to the needs and expectations of the customer.

Macpower introduces M Grind Series – CNC Cylindrical Grinder. Machine is specifically designed focusing on automotives, machine tools, aerospace, hydraulic, pneumatic and electric motor supply industries. Easy machine adjustment and short part set-up are provided either for a single part or small, medium or large series.

High efficiency, accuracy and maximum convenience played central role during development of the grinding machine. Stiff machine structure is designed ergonomically and to be user friendly.

Structure
Machine construction is carefully designed using 3D solid modeling (CAD) and finite element analysis (FEA) systems, to accomplish the best feasible result for all components and to ensure superior finish. The structure is made of high quality cast iron and is stress relieved for outstanding stability ensuring zero deformation. Lower centre of gravity bed design, tremendously upgrades machine stability.

Bed
The machine structure is based on a monoblock T-shaped bed. The longitudinal part of the bed supports the table during its longitudinal travel (Z-axis) while the transversal part supports the movement of the wheel slide (X-axis).

Table Slide (Z-Axis)
Manually scrapped, precise V and flat guide ways are automatically lubricated along with Turcile-B guarantee a lifetime of excellence. Slide is driven by servomotor and precision class ball screw. Upper table is clamped on Z slide. It comes with anti-friction bearing pivot pin and table swivel can be fine tuned for cylindrical or taper corrections.

Work Head
The work head has a particularly rigid structure which enables the uniform rotation of the part during grinding operation. The spindle is mounted on high precision Roller bearings, axially preloaded. Spindle is driven by servomotor which provides smooth speed control and precise positioning. A work head can swivel in both directions for various grinding operations.

Wheel Head
The wheel head incorporates a cartridge type wheel spindle (Lubricated for life) that provides the utmost in reliability and ease of maintenance.

Wheel Head Slide (X-Axis)
One of the exceptional features of the cross slide with pretension needle guides is its excellent repeatability. The pretence needle guides ensure stick-slip-free fine modification. The wheel head slide is driven by precision ball screw and servo motor. Longitudinal slide rests on hardened and ground V and flat guide ways designed for optimum flow of forces.

Tailstock
The rigid tailstock is equipped with spring loaded sleeve of centre. Centre pressure can be adjusted depending upon the applications. Specially designed guide bush in tailstock provides minimal guide play with benefit of high level of damping. Fine adjustment can be made at anytime. Foot switch operated hydraulic tailstock can be provided as an optional feature.

Dressing Unit
Dressing Unit is mounted on tailstock or Work head. Dressing cycle is programmable through NC and can be integrated into grinding cycle, if required.

Macpower introduces Multi Tasking series with Y axis & sub spindle. Customers are focal point while designing the series. It's easy to use machine configuration and an assortment of secondary features made for stronger, quicker and more precise machining performances. New heights can be achieved in terms of product excellence and manufacturing capabilities due to high precision and performance offered by the machine. Y axis with integrated C axis can accomplish several multifaceted requirements than that of general turn mill centre.

Y axis with sub spindle machines are designed to exceed customer expectations even further, to accomplish part manufacturing in a single setup with help of multi-tasking operations alongside delicate part handling and without compromising high level of precision. Multi-tasking machine reduces the need of multi-step machining process that traditionally would consist of two or more separate machine and setups.

STRUCTURE
The single 30° monoblock design along with widely spaced linear motion guide ways provide ideal stiffness and generates frictionless and thermally stable movements. FEA techniques were used to design a rigid and structurally balanced machine, resulting in superior damping characteristics for minimized vibration to the work piece when exposed to both static and dynamic load on them. The FEA process has facilitated optimization of machine structures making them resilient and perfect fit for versatile applications.

SPINDLE
The heavy duty cartridge type spindle is anchored in robust headstock, which is designed with symmetrical ribs for rigidity and better thermal stability. Machine comes with better spindle bearing arrangement that is stiffer and more thermally stable. High precision spindle bearings are grease lubricated for life, and have minimal temperature variation, even while running continuously at maximum speed.

LM GUIDEWAYS
Machine comes with Roller LM guide ways on all axes for optimum stiffness, rigidity, accuracy and longer life duration due to increased surface contact. Machine offers reduced backlash and vibration owing to directly coupled motors on all axes. It also enhances positioning and repeatability.

Y - AXIS
Customer can exploit full benefits of performing complex off centre milling – drilling, precise keyway machining, flat and contoured surfaces owing to ample (±50 mm) stroke of Y axis. The Y axis stroke is achieved by the simultaneous movement of two independent slides. Cutting forces are distributed over two slides ensuring exceptional rigidity and extreme precision.

C - AXIS
Both main and sub spindles are supplied with totally programmable C–axis and hydraulically operated positioner. C–axis enables contour machining such that operator can machine outer profiles and pockets utilizing live tool turret and Y–axis movement.

SUB SPINDLE
Sub Spindle is added feature for Y axis machine. Latest technology Built-in Spindle (also called DDS-Direct Drive Spindle)is provided as a standard feature in Y(S) models. Improved flexibility and output can be achieved in machines with sub-spindle. Also, secondary machining operations can be completed in one set-up.

Increase in accuracy and decrease in part handling can be achieved by combining Y–axis, C – axis and Sub Spindle.