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Chiaravalli CHPC pre-stage module coupled to a CHM worm gearbox, with motor
Chiaravalli

CHPC 63 + CHM 040 Worm Gearbox with Pre-Stage Module (ratios 90–300:1)

Worm Gearboxes

CHPC 63 pre-stage module (ratio 3:1, IEC 63 B5 motor flange) coupled to a CHM 040 worm gearbox — total ratios 90–300:1 in one compact unit, for the slow output speeds a single worm stage cannot reach. Aluminium CHM housing, hollow output shaft with 18 mm bore, keyed; optional output flanges as the CHM 040. The dimension sheet gives the combined unit (CHPC/CHM 63+040); the gearbox connected to the pre-stage has the pre-stage's Z1 input dimension. Supplied in the universal position — it can be mounted in any orientation. Filled for life with synthetic oil — no oil changes, no maintenance.

Supplied without motor. Fits an IEC 63 B5 motor (11 mm shaft).

How to pick from the table: with a standard 4-pole motor (1400 r/min) the total ratio sets the output speed; P1 is the motor power the catalogue pairs with the row and the output torque is at that power. The catalogue notes the installed power is sometimes more than the gear needs — always check the output torque against your load, and ask us if in doubt.

Product Configuration

Select a row to add it to your quote

CHPC 63 + CHM 040: 4-pole motor at 1400 r/min; motor flange IEC 63 B5; pre-stage ratio 3:1.

CodeRatioOutput speedMotor P1Output torque Weight
CHPC63-CHM040 R.90 0.18kW 90:1 15.6 r/min 0.18 kW 61 Nm 3.9 kg
CHPC63-CHM040 R.120 0.18kW 120:1 11.7 r/min 0.18 kW 52 Nm 3.9 kg
CHPC63-CHM040 R.150 0.18kW 150:1 9.3 r/min 0.18 kW 46 Nm 3.9 kg
CHPC63-CHM040 R.180 0.18kW 180:1 7.8 r/min 0.18 kW 46 Nm 3.9 kg
CHPC63-CHM040 R.240 0.18kW 240:1 5.8 r/min 0.18 kW 40 Nm 3.9 kg
CHPC63-CHM040 R.300 0.18kW 300:1 4.7 r/min 0.18 kW 36 Nm 3.9 kg

Product Information

Motor pole count

All table figures assume a 4-pole motor (1400 r/min input) — the standard choice for most applications. A 2-pole motor (2800 r/min) doubles the output speed and a 6-pole motor (900 r/min) reduces it, and the power and torque ratings change with them — if you're running anything other than 4-pole, contact us and we'll size it for you.

Reading the table

Each row is one total ratio (pre-stage × worm stage): output speed at 1400 r/min in, the catalogue's motor power P1 for that row and the output torque at that power. Specify the mounting position of the pre-stage relative to the gearbox when ordering (supplied for universal assembly when the module comes on its own).

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