Cetronic offer both hybrid stepper and brushless servomotors with integrated drive and control electronics for decentralised drive applications

Assembly Automation

ISSN: 0144-5154

Article publication date: 1 June 2004

108

Keywords

Citation

(2004), "Cetronic offer both hybrid stepper and brushless servomotors with integrated drive and control electronics for decentralised drive applications", Assembly Automation, Vol. 24 No. 2. https://doi.org/10.1108/aa.2004.03324bad.009

Publisher

:

Emerald Group Publishing Limited

Copyright © 2004, Emerald Group Publishing Limited


Cetronic offer both hybrid stepper and brushless servomotors with integrated drive and control electronics for decentralised drive applications

Cetronic offer both hybrid stepper and brushless servomotors with integrated drive and control electronics for decentralised drive applications

Keywords: Motors, Motion control

Cetronic, a leading UK motion control distributor currently offer both hybrid stepper motors and brushless DC servomotors with built-in drive and control capability. In response to their customers requests and market trends towards this integrated approach to small motor applications, Cetronic believe that their range will provide definite cost savings, increased modularity and significantly reduced installation and assembly time (Plate 8).

Cetronic supply and support both the Pittman, N2300 range of brushless DC motors with integrated drive electronics and the Sonceboz 8000 series hybrid stepper motors with integrated drive, control and optional fieldbus communications interfaces. By approaching an application with a choice of both motor technologies, Cetronic are able to precisely match their customers' requirements with exactly the right solution without compromise to performance or cost.

Plate 8 Cetronic believe that their range will provide definite cost savings

In general terms, both brushless DC and hybrid stepper motor ranges combine motor drive and control electronics within the motor housing which greatly simplifies applying the products in an application and offers strong advantages such as minimal wiring, increased noise immunity, lower assembly costs, reduced inventory costs and improved serviceability. By adapting a motor in this way, there is no need to use or specify a separate drive or amplifier and in many applications a motion controller is not required at all. This decentralised approach is attractive to automated machinery manufacturers where reduced design, assembly and logistics costs are prime objectives.

The Pittman N2300 brushless DC integrated motors have 23 frame housings and are available in four lengths from 58 to 95 mm. With neodymium-iron-boron magnets for maximum performance and speeds up to 8,000 rpm, continuous torque to 345 mNm can be achieved (up to 525 mNm with heat sink). The N2300 series feature internal hall sensor feedback for linear speed-torque characteristics, high starting torque, and variable speed control. Operation is from an external 24 V DC supply with continuous current capability up to 6 A. The closed loop control maintains a constant speed via an analogue input signal irrespective of load/torque variation. Speed is linear over an input range of 1-4 V and directional input and tacho' output signals are included. Shaft speeds as low as 100 rpm are possible and the motors can be adapted with a wide range of spur and planetary gearboxes if required.

The standard range of Sonceboz 8000 series hybrid stepper motors with integrated drives are available in size 23 frames and four models offer 400 or 1,600 steps/rev with holding torque ratings from 150 to 800 mNm. The supply voltage is 24 V DC and the range provides both 36 and 48 W power options and a maximum speed of 2,000 rpm. Open loop position and speed control is via a TTL level pulse and direction input and a further boost input is provided for short-term increase of torque of up to 25 per cent, which is particularly useful for acceleration and deceleration of the motor. Options available include size 17 framed motor housings, CANbus and RS485 communications interfaces, programmable positioning sequences with either standalone or PC programmed and controlled operation. I/O may be specified for control functions such as overtravel switches and output on position. Other adaptations can include higher microstepping resolutions to 1/64 step and 40 V DC/10 A/ph current for higher motor speed and torque output.

Cetronic were established more than 30 years back and are currently an internationally recognised leader in the supply of high quality, high performance motion control equipment. Represented manufacturers include Penn Engineering-Motion Control Technologies Group comprising of MAE, the Italian manufacturer of stepper and servo motors and Pittman, the leading USA manufacturer of small precision DC brushed and brushless motors and gearboxes. Cetronic also represent WEG, the West German, AC and DC industrial motor and geared motor manufacturer and TWK Elektronik, manufacturers of quality, high precision sensor technology products.

Based in Romsey – UK, Cetronic provide a complete custom design service to meet their customers' precise performance requirements fully supported by sophisticated CAD facilities and ISO9002 Quality Assurance Certification.

For technical information, contact: Brian Seymour, Cetronic Ltd, Unit 54, Romsey Industrial Estate, Greatbridge Road, Romsey, Hampshire, SO51 0HR. Tel: 01794 525828; Fax: 01794 525825; E-mail: brian.seymour@the-cetronic.com

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