HRG-400S

Features

High-Precision Rotary Grinding Performance – 15.7” (400mm) servo-driven rotary table with speeds up to 200 RPM and ultra-fine down-feed increments of 0.0001” (0.001mm) for exceptional surface accuracy.
Generous Capacity in a Compact Footprint – Accommodates workpieces up to 15.7” (400mm) diameter with 15.7” spindle-to-table clearance and 7.8” cross (Z-axis) travel.
Powerful, Stable Spindle System – 5 HP grinding spindle running at 1,750 RPM paired with an 14” grinding wheel delivers consistent torque and smooth material removal.
Fully Servo-Driven Axes for Accuracy & Repeatability – Independent servo motors on rotary (B), vertical (Y), and cross (Z) axes ensure precise positioning, smooth motion, and long-term reliability.
Fully Equipped for Production-Ready Operation – Includes electro-magnetic chuck, automatic diamond wheel dresser with compensation, magnetic separator coolant system, demagnetizing controller, LED work lamp, and complete balancing and setup accessories.

*Smaller HRG-300S Model Shown

Specification	HRG-300S	HRG-400S
Rotary Magnetic Chuck Diameter	11.81”	15.7”
Max Grinding Radius	6.9"	7.8"
Distance of Table Surface to Spindle Surface	16.5"	15.7"
Rotary Magnetic Chuck Speed	250 RPM	200 RPM
Rotary Magnetic Chuck Horse Power	1 HP	1.3 HP
Spindle Motor	3 HP	5 HP
Spindle Speed	3600 RPM	1750 RPM
Auto Downfeed Power	0.4 HP	0.4 HP
Vertical Downfeed Revolution	-	-
Vertical Downfeed Graduation	0.00001"	0.00001"
Wheel Size (Dia. X Width X Bore)	8” x 0.75” x 1.25"	14” x 1.5” x 1.25"
Net Weigth	3,080 lbs	3,630 lbs
Gross Weight	3,520 lbs	3,960 lbs
Packing Size	63” x 63” x 83”	71” x 63” x 83”