New Smith NC centerless grinding machine 4020 is known for Efficiency & precision removing material from the outer surface of cylindrical workpieces. NC Centerless Grinders 4020 offers unmatched productivity and accuracy for high-volume production in diverse industries.
NC Centerless grinding Machine Applications:
- Automotive: crankshafts, camshafts, pins, fasteners.
- Aerospace: high-precision, zero-tolerance shafts, bushings, landing gear parts.
- Medical equipment: surgical pins, needles, orthopedic components.
- Tooling industry: drills, rods, punches.
- Hydraulics: pump spindles, pistons, sleeve components.
| TECHNICAL SPECIFICATIONS | |||
|---|---|---|---|
| MODEL | SMITH NC4020 | ||
| Grinding Capacity (Diameter) | Minimum | 2MM | |
| Maximum | 80MM | ||
| Grinding Wheel Size | Diameter | 400MM | |
| Width | 200MM | ||
| Bore | 203.2MM | ||
| Regulating Wheel Size | Diameter | 300MM | |
| Width | 200MM | ||
| Bore | 127MM | ||
| Grinding Wheel Speed | RPM | 1600 | |
| Regulating Wheel Speed | RPM | 0-135 | |
| Swivel of Regulating Wheel Slide Vertically | Degree | 1 – 5 +/- | |
| Swivel of Grinding and Regulating Dressing Slides | Degree | 5 +/- | |
| Grinding Wheel Motor | HP | 15 | |
| Regulating Wheel Motor | HP | 2 | |
| Hydraulic unit Motor | HP | 1 | |
| Coolant Pump | HP | 0.25 | |
| Power Supply | 3 PHASE / 415 VOLTS / HZ 50 | ||
Why Choose the Smith NC4020?
If your parts have shoulders, tapers, or profiles rather than a straight cylindrical body, the NC4020’s in-feed design handles them directly — a straight through-feed machine like the NC200 can’t. The 400mm wheel and 15HP motor put it between the NC100 and NC200 in capability, sized for medium-to-large profiled components.
Frequently Asked Questions
What is in-feed (plunge) Centerless grinding?
In-feed grinding is used for parts with heads, shoulders, or complex profiles. The workpiece is placed on the work rest blade and the regulating wheel feeds it into the grinding wheel, rather than passing the part straight through as in through-feed grinding.
What parts is the NC4020 best suited for?
Parts with shoulders, tapers, or profiles — such as crankshafts, camshafts, and pins — that can’t be ground on a straight through-feed machine.
What’s the grinding capacity of the NC4020?
2mm to 80mm in diameter, using a 400mm grinding wheel and 15HP motor.