Double ended torque arms Hägglunds DTCA, DTCB, DTCBM

Description

• Valid for: Hägglunds motors CA, CB, CBP and CBM

Features

• Easy mounting i.e. No alignment problems, couplings and bed plates are eliminated.
• Fast mounting of motor to driven shaft.
• Robust torque-transmitting.
• Controlled external forces on driven shaft.
• Space saving. i.e. close mounting to the driven machine.
• Take up radial and axial movements on driven shaft.
• Reduction of external force on driven shaft with double ended torque arm type DTC.
• Electrical isolated option to avoid current from passing through the hydraulic motor.

Product description

If the driven machine or the driven shaft can not withstand the external forces generated by a single ended torque arm arrangement (see chapter "Technical Data" - Figure "External forces Fr, Fb for TCA" and Table "External forces single ended torque arm valid for a pressure difference of 420 bar static"). In such a case a double ended torque arm is the optional solution.

One end of the torque arm is fixed with a articulated connection. The other end of the torque arm is equipped with a double acting hydraulic cylinder connected to the main pressure ports of the motor. By sizing the cylinder area and the torque arm length the differential pressure on the cylinder area equalize the forces in both ends of the torque arm and consequently limited forces are acting on the driven machine shaft.

Note:

For installation instructions see Installation and maintenance manual for respective Hägglunds motor. (See chapter "Information" - Table "Required and additional documents")

Articulated connection rotates with the motor! Risk to life and risk of injury or serious injuries and risk of damage to equipment! (see Figure "Danger zone" below) Make sure the foundation and the customer machine, can withstand the forces from the torque arm. See chapter "Techncial Data" - Figure "External forces Fr, Fb, for DTCBM" and Table "External forces double ended torque arm valid for a pressure difference of 420 bar static" for double ended torque arms.

Danger zone

DTCA, DTCB and DTCBM 1600 to DTCBM 4000	DTCBM 4600 to DTCBM 6000

Type code

Technical data

General data

Painting system

Corrosion protection

The painting system of Hägglunds motors and accessories are available in two different corrosivity categories regarding corrosion protection in accordance with SS-EN ISO 12944:

• C3 - Corrosivity category Medium - which is recommended for normal urban and industrial atmosphere.

• C5M - Corrosivity category Very High - which is recommended for marine environment with high salt load or other aggressive atmosphere.

Colour

Standard colour for Hägglunds motors and accessories is orange (RAL 2002)

External forces

External forces Fr, Fb, for DTCBM

External forces double ended torque arm valid for a pressure difference of 420 bar static

Dimensions

Dimensions in mm

Dimensions DTC

Articulated connection for DTCA, DTCB and DTCBM 1600 to DTCBM 4000

Dimensions in mm

Articulated connection for DTCBM 4600 to DTCBM 6000

Dimensions in mm

Electrical isolated torque arm

If there is a risk of current passes through the hydraulic motor an electrical isolated articulated connection is one solution to prevent damage of the bearing interfaces in the hydraulic motor.

Dimensions for electrical isolated DTCBM, see Figure "Double ended torque arm DTCA, DTCB, DTCBM", Figure "Articulated connection for DTCA, DTCB and DTCBM 1600 to DTCBM 4000" and tables below these two figures.

Articulated connection for electrical isolated DTCBM

Mounting

Installation instruction for articulated connection and hydraulic cylinder for DTCA, DTCB and DTCBM 1600 to DTCBM 4000

Dimensions in mm

Installation instruction for articulated connection and hydraulic cylinder for DTCBM 4600-6000

Dimensions in mm

Information

Required and additional documents

Documents at Bosch Rexroth Media Directory

Safety Instructions

Warning signs

In this manual you will find the following signs which indicate a potential hazard, which can or will cause personal injury or substantial property damage. Depending on the probability if the hazard, and how serious the injury or property damage could be, there are three levels if classification.

The signal words have the following meaning:

Warning sign, signal word	Meaning
	Indicates a dangerous situation which will cause death or severe personal injuries if not avoided.
	Indicates a dangerous situation which may cause death or severe personal injuries if not avoided.
	Indicates a dangerous situation which may cause minor or medium personal injuries if not avoided.
	Material damage: the product or its environment could be damaged.

Ordering codes

Downloads

Hägglunds TCA, DTCA, DTCB, DTCBM Data Sheet | RE15355 | 2021-01-14 | English | PDF | 2.2MB Product Groups: Hägglunds TCA, Hägglunds DTC Torque arms