Hardinge Kellenberger H4000
Image: kellenberger.com, Hardinge
Key Specifications
Y Travel
Table Size
table usable area
table t slots
conical grinding angle
u axis radial infeed
How much does the Hardinge Kellenberger H4000 cost?
Estimated price range
Our best estimate for a cnc grinding machine in this class — not a quote from Hardinge. Configuration moves it a long way.
Overview
The Kellenberger H4000 is a large-format jig grinder with a usable table of 1,440 x 860 mm (56.7 x 33.9 in), 800 mm (31.5 in) of Y travel and a table load of 800 kg (1,764 lb). It is sized for plates and die sets that a smaller jig grinder cannot carry.
The step up from the Kellenberger H2000 is large in every listed dimension: that machine has a 650 × 400 mm table, 300 mm (11.8 in) of Y travel, 450 mm (17.7 in) of W travel and a 300 kg (661 lb) load limit. The H4000 offers 635 mm (25 in) on W and well over twice the load. Both run the FANUC 30i-B control. One gap in the H4000 table is X travel, which is not listed, so the reachable length along the long side of the table has to be confirmed.
Grinding is done by a 70HS spindle with a range of 9,000 - 70,000 RPM, orbiting at a planetary speed of 5 - 350 rpm. The U axis gives a radial infeed from -3 to +47 mm. That is the distance over which the wheel can be fed outward while it orbits, and it sets the span of bore diameters a single wheel can cover without a tool change. Z oscillation runs at up to 8 Hz, and conical grinding is listed up to an angle of 120 degrees.
A machine this size needs planning. The footprint is 3.0 m × 5.2 m and the supply is 400 V / 460 V; the machine weight is not in the table. The T-slot row reads 7, 14 mm, and the operator interface is listed as Conversation Macro.
Full Specifications
| Parameter | Value |
|---|---|
| Table Usable Area | 1,440 x 860 mm (56.7 x 33.9 in) |
| Table T Slots | 7, 14 mm |
| Conical Grinding Angle | 120 degrees |
| U Axis Radial Infeed | -3 to +47 mm |
| Spindle 70hs | 9,000 - 70,000 RPM |
| Z Oscillation Frequency | Up to 8 Hz |
| CNC Control | FANUC 30i-B |
| Floor Space Required | 3.0 m × 5.2 m |
| Power Supply | 400 V / 460 V |
| Y-Axis Travel | 800 mm (31.5 in) |
| Travel W | 635 mm (25 in) |
| Table Size | 1440 × 860 mm |
| Max Table Load | 800 kg (1,764 lb) |
| Grinding Spindle Speed | 9,000 - 70,000 rpm (70HS motor) |
| Planetary Speed | 5 - 350 rpm |
| Hmi | Conversation Macro |
Specifications sourced from kellenberger.com — verified 2026-10-03
Strengths & Limitations
Strengths
- Usable table area of 1,440 x 860 mm (56.7 x 33.9 in) with a load capacity of 800 kg (1,764 lb)
- 800 mm (31.5 in) of Y travel and 635 mm (25 in) of W travel
- U-axis radial infeed from -3 to +47 mm, so one wheel covers a wide span of bore sizes
- 70HS spindle with 9,000 - 70,000 RPM and planetary speed of 5 - 350 rpm
- Conical grinding up to an angle of 120 degrees
Limitations
- X travel is not listed, so the reachable length on the 1,440 mm side of the table must be confirmed
- The spindle range starts at 9,000 RPM, so wheels that need lower speed are outside the listed 70HS motor
- Footprint of 3.0 m × 5.2 m, and the machine weight needed for foundation planning is not listed
- No spindle power figure is published
Best For
Frequently Asked Questions
01
The usable table area is 1,440 x 860 mm (56.7 x 33.9 in) and the maximum table load is 800 kg (1,764 lb). Y travel is 800 mm (31.5 in) and W travel is 635 mm (25 in). X travel is not in the table, so confirm it before assuming the full table length can be ground.
02
The Kellenberger H2000 has a 650 × 400 mm table, 550 mm (21.7 in) of X travel, 300 mm (11.8 in) of Y travel, 450 mm (17.7 in) of W travel and a 300 kg (661 lb) table load. The H4000 has a 1,440 x 860 mm (56.7 x 33.9 in) usable table, 800 mm (31.5 in) of Y, 635 mm (25 in) of W and an 800 kg (1,764 lb) load. Both use the FANUC 30i-B control.
03
The U axis is the radial infeed of the grinding spindle, listed from -3 to +47 mm. While the spindle orbits at its planetary speed of 5 - 350 rpm, the U axis moves the wheel outward to size the bore. A long infeed range means one wheel can cover bores of quite different diameters.
04
The 70HS motor spindle is listed with a range of 9,000 - 70,000 RPM. Planetary speed is 5 - 350 rpm and Z oscillation is up to 8 Hz. Spindle power is not published, and the table shows no alternative spindle.
05
The footprint is 3.0 m × 5.2 m and the electrical supply is 400 V / 460 V. Machine weight, connected load and coolant or extraction requirements are not listed, so request the installation plan before preparing the floor.
