Innovative Design Enhanced By Scientific Analysis
Finite Element Analysis is used to supplement traditional machine design by strengthening areas generally overlooked by designers.

Rigid Spindle Design

1.	Heavy duty precision spindle bearings.
2.	A direct drive, 50-taper, 10,000 RPM spindle headstock mounts to a linear guide way Z-axis slide, enabling a rapid traverse speed of 30 meters/min (1.180 in/min)

Superior Structure

1.	C-Frame column with heavy duty roller-rail guide ways on the Z-axis.
2.	The VMC-127H uses an hydraulically activated nitrogen counterbalance system instead of conventional counter weights to help minimize vibration during rapid Z-axis movements.

Temperature Control System For Each Ball Screw

1.	All ball screws are air-cooled through the center to reduce thermal growth and enable better machine accuracy.
2.	X and Y-axes have hardened way construction. The Z-axis uses roller-rail linear guide ways.

Ball-Bar Testing
Each machine goes through telescoping ball-bar tests to check contouring accuracy and uncover any geometric errors. This testing ensures the machine structure is both square and parallel.

Calibration with Laser Interferometer is Performed and Certified by PMC
All of our machines are calibrated according to the "VDI 3441 3σ" standard. Calibration is performed for full travel length for each axis. Each measurement is taken six times to ensure the most consistent and accurate readings.

Hand Scraping
To ensure consistent high quality. each slide way is hand-scraped. Each axis saddle has Turcite material on it and a special "*" design is used along with a "Z" pattern for efficient oil troughs. There is an excellent distribution of oil to all axes, so settling time after rapid movements is eliminated, and stick-slip during cutting is minimized.

Friction Coefficient Testing
After the exclusive "*" pattern hand scraping, technicians inspect the results using torque measurements to make sure the ratio of contact region is over 50% and it is uniformly distributed. In addition, all contact points have a similar size, which helps maintain even static and dynamic resistance over the entire travel range of each axis.

Automatic Lubrication System
All AGMA machines use a pressurized central lubricating system. The PLC controlled system allows all three axes to be lubricated evenly to maintain accuracy and prolong machine life.

There Chip Auger Design
Instead of using a costly chip conveyor, the special three-chip auger system efficiently removes metal chips produced during machining.