Product category:
Chains and belts
News Release from: Tsubakimoto UK | Subject: MZEU range
Edited by the Engineeringtalk Editorial
Team on 04 July 2002
Building block approach to clutch design
Tsubaki's new MZEU range features a building block design that gives users the flexibility to tailor clutches to their application, in terms of fixings, direction of engagement and speed requirements.
Tsubaki's new MZEU range features a building block design that gives users the flexibility to tailor clutches to their application, in terms of fixings, direction of engagement and speed requirements The building block package includes a torque arm for offset indexing, two types of bolt-on flanges for inline mounting and a grease reservoir
This article was originally published on Engineeringtalk on 13 Feb 2001 at 8.00am (UK)
Related stories
10 times more wear life than O-ring sealed chain
Tsubaki has launched X-Lambda, a lube-free chain that provides at least 10 times the working life of conventionally sealed "O" ring chains without any significant loss of transmission efficiency
Chain with 30 times the life
Tsubaki's WP chain can provide 30 times the life of standard and nickel plated chains in wet conditions.
The MZEU Series clutches have been introduced to meet the requirements of European machinery or power transmission installations and are designed for general applications involving indexing, general overrunning and backstopping.
Although extremely compact, the MZEU clutches feature a full complement of cams to provide the maximum number of load transmitting members per given diameter.
This results in a greater torque capacity, size for size, than other cam clutches, and longer fatigue life compared to other types of one way clutches, such as ratchet and roller ramp designs.
Further reading
Clever drive chain design keeps the noise down
Tsubaki's SN Low Noise Drive Chain reduces the noise occurring when the chain roller and the teeth of the sprocket mesh together, as the normal cylindrical roller is replaced by a coil spring roller
Stainless drive chain gets around magnetic problem
Tsubaki's standard 300 Series stainless steel drive chain has enabled one of Europe's largest metal packaging manufacturers to overcome the problem of chains becoming magnetised in a curing oven
MZEU clutches used in overrunning applications overrun at either the inner or outer race during the majority of the clutch operating time and are occasionally called upon to lock up and drive.
A typical application is a two-speed drive where an electric motor and a geared motor are connected to a single driven shaft through one-way clutches.
The machine can be driven by either the motor or geared motor.
When the geared motor drives at low speed, the clutch engages.
When the electric motor drives the machine, the clutch overruns.
The clutch automatically switches between low speed and high speed.
In indexing mode, reciprocating motion applied to the driving race of the MZEU clutch is transformed into unidirectional intermittent motion at the driven race.
For example, on a feeding roller, the clutch is mounted on the roller and a torque arm is connected to the driving race of the clutch.
A crank motion mechanism provides reciprocating motion to the driving race.
The clutch drives in the forward stroke (index) and overruns on the return stroke resulting in intermittent unidirectional motion of the feeding roller.
In backstop (holdback) applications, the MZEU clutches are used to prevent reverse rotation of driveshafts and damage to machinery and other expensive equipment.
With the outer race of the clutch anchored to a stationary member, the inner race can overrun freely in one direction of rotation.
Reverse rotation is instantaneously prevented by the automatic engagement of the clutch.
Typical backstop applications are in conveyor systems and gear reducers.
The MZEU range is comprehensive, comprising 17 models with bore sizes from 12mm to 150mm and torque capacities from 60 to 33,800Nm.
All standard units are supplied ready to install and operate; are pre-lubricated with a special grease and are maintenance free. Request a free brochure from Tsubakimoto UK ...
• Tsubakimoto UK: contact details and other news
• Email this article to a colleague
• Register for the free Engineeringtalk email newsletter
• Engineeringtalk Home Page
Search the Pro-Talk network of sites
