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HM 365: Universal Drive and Brake Unit

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Universal Drive and Brake Unit

Universal Drive and Brake Unit Universal Drive and Brake Unit Universal Drive and Brake Unit

Product Details

Technical Description
The HM 365 is the core component of a modular series of equipment that allows experiments to be performed on a variety of engines and machines, e.g. pumps, turbines or combustion engines. The machine or engine to be tested is connected to the HM 365 using a V-belt drive. The HM 365 is attached to the machine or engine using toggle-type fasteners.

The main function of the HM 365 is to provide the required drive or braking power to perform experiments on the selected engine or machine. This power is generated by an air-cooled asynchronous motor with a frequency converter. The energy that is created when braking in generator mode is converted into heat by a load resistor. The drive or braking torque can be precisely adjusted. It is measured indirectly using a force transducer. For this purpose, the asynchronous motor is mounted in floating bearings. A carriage on which the “engine and force transducer” unit can be moved acts as a tensioning device for the V-belt.
The HM 365 contains digital displays for speed and torque. Data is transmitted between the HM 365 and the engine or machine via a data cable, which connects the control cabinets for the two units. All measuring signals are present in electrical form and can be stored and processed using the PC data acquisition function supplied for the engine or machine. Data is transmitted to the PC using a USB interface.

Learning Objectives / Experiments
Asynchronous motor as drive:
- Torque measurement
- Speed measurement

 Asynchronous motor as brake:
- Torque measurement
- Speed measurement

* Core component for experiments on various engines and machines1
* Asynchronous motor with frequency converter and precise adjustment of drive and braking torque1
* HM 365 and engine or machine connected using  V-belt drive1
* Complete test stand setup in conjunction with engine or machine
[1] Brake and drive unit for connecting to various engines and machines
[2] Asynchronous motor with frequency converter
[3] Asynchronous motor mounted in floating bearings, torque measurement via lever arm and force sensor
[4] Speed measurement using photoelectric proximity switch on motor shaft
[5] 4-quadrant operation using frequency converter
[6] Measured speed and torque values displayed digitally on the unit
[7] Data acquisition using LabVIEW software and USB connection under Windows XP

Technical Data
Asynchronous motor with frequency converter
- power output: 2.2kW
- max. speed: approx. 3000rpm
- max. torque: approx. 12Nm
V-belt drive
- V-belt length: 1157mm, 1180mm, 1250mm
- V-belt type: SPA
- V-belt pulley diameter: 125mm
Load resistor: 72 Ohm, 2400W
Measuring ranges
- speed: 0...3000rpm
- torque: 0...7.5Nm

Dimensions and Weight
l x w x h : 800 x 1120 x 1275 mm
Weight : approx. 85 kg

400V, 50Hz, 3 phase or 230V, 60Hz, 3 phase or 230V, CSA, 3 phase

Scope of Delivery
1 brake and drive unit
1 set of V-belts
1 data cable for connecting the modules
1 instruction manual

Order Details
070.36500  HM 365  Universal Drive and Brake Unit
Available accessories
CT 159 -- Modular Test Stand for Single Cylinder Engines, 2.2kW
ET 165 -- Experimental Module Refrigeration System
ET 513 -- Single-Stage Compressor Module
ET 813 -- Two-Cylinder Steam Engine Module
HM 365.10 -- Water Pump Supply Module
HM 365.20 -- Oil Pump Supply Module
HM 365.32 -- Turbine Supply Module
HM 365.45 -- Axial-Flow Pump Module

SELKA GmbH, Hamburg
Grindelallee 188, 20144 Hamburg / Germany
Tel.: + 49 (0) 40 343453 |  Fax: +49 (0) 40 63657075
E-Mail:   |  Internet:

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