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CST Drive System
CST115

CST Drive System

CST115

The HBT CST115 gearbox is suitable for use as conveyor gearbox installed on drive frames and fitted to their input shafts. There are two designs available for most CST drive systems: an in-line gearbox design (the P gearboxes) and an angular gearbox design (the KP gearboxes).

Top Specs

Maximum Output Torque
1 150 000 Nm (848,196 lb/ft)

Max. Input Speed
1,800 rpm

Rated Power P
up to 1800 kW (2,937 hp)

A CST gearbox comes in three parts: a supply unit, a first planetary gear stage and an output unit comprising a second planetary gear stage. The KP gearbox also comes in three parts. The supply unit and output unit are the same as the ones from the P gearbox, but the first planetary gear stage is replaced by a bevel helical gearbox unit. The KP gearbox design is available in a left-handed and in a right-handed version. It is also possible to mount the electro-hydraulic controller either inside or outside the supply unit.

The roller bearings of the bevel gear shaft are lubricated by forced lubrication via the built-in oil pump (usually responsible for cooling oil supply to the CST clutch). All other gearings and roller bearings are lubricated by means of splash lubrication.

A reduction ratio 39:1 is available. The permissible input power of the gearbox for the specific ratio of 39:1 is 1800 kW/2,447 hp at a mains frequency of 50 Hz (≈ 1,485 rpm) or 2160 kW/2,937 hp at a mains frequency of 60 Hz ( ≈ 1,782 rpm). The permissible output torque is 1,150,000 Nm (max for 3 seconds). The rated continuous output torque is 450,000 Nm.

Specifications / Technical Data

Maximum Output Torque (for 3 sec)

KP-45/P-45 CST1 150 000 Nm848,937 lb/ft
Rated Power P
Ratio i[-]
Rated Power P
(n = 1,485 rpm)
Rated Power P
(n = 1,782 rpm)
391800 kW2,937 hp
461800 kW2,480 hp

Dimensions

KP-115 CST
Length
Width
Height

3600 mm
2029 mm
1300 mm

141.6 in
79.8 in
51.1 in
P-115 CST
Length
Width
Height

2811 mm
1400 mm
1300 mm

110.6 in
55.1 in
51.1 in

Capacity

KP-115 CST
Oil Quantity
Gearbox Weight (without oil)

1300 L
23 980 kg

212 gal
52,851 lb
P-115 CST
Oil Quantity
Gearbox Weight (without oil)

700 L
16 400 kg

132 gal
36,145 lb

Requirements of Cooling Water

Required Cooling Water90 L/min23.80 gal/min
Maximum Water Inlet Temperature25° C/298.15 K77° F/298.15 K

Shaft Design

Input Shaft (cylindrical)DIN 5480-W 140×4DIN 5480-W 140×4
Output Shaft with Internal ToothingDIN 5480-N 360×10DIN 5480-N 360×10

Download Spec Sheet

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Controlled Start Transmission Drive System CST115