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Test jig boosts output for surface-mount feeders
An
Alternative SMT product story
Edited by the Manufacturingtalk editorial team
Nov 7, 2001
alternativeSMT has developed a Fuji feeder test jig to check the performance and functionality of feeders for the Fuji CP4, CP6 and CP7 surface-m
alternativeSMT has developed a Fuji feeder test jig to check the performance and functionality of feeders for the Fuji CP4, CP6 and CP7 surface-mount assembly machines.
The test jig was developed in response to the problems faced by Fuji users in effectively carrying out feeder maintenance and ensuring the performance of feeders once they are fitted to the machine.
Often, serviced feeders are returned several times before they function normally.
These problems result in increased machine downtime during changeovers and production.
The response from alternativeSMT was to develop a functional feeder test jig coupled with a comprehensive feeder maintenance program.
The new jig allows users to test the feeders off line in order to minimise machine downtime caused by adjustments after the feeder is mounted on the machine.
The test jig carries out a full functional test on the feeder, including checks on the cover-tape removal process and positioning accuracy and repeatability.
A feeder can be loaded with the appropriate kit of parts and its operation verified before it is placed on the machine.
The test jig incorporates a camera and crosshair generator that allows the user to correctly calibrate the pickup position, as well as visually monitoring the performance of the set position while the feeder is indexed at machine speed.
The jig is fully programmable for all functions, including speed and number of indices and selection of single or multiple indices.
The system comes complete with a feeder test position for Fuji CP4, CP6 or CP7 feeders in widths from 8 to 24 mm.
It can cycle each feeder up to 500 times at speeds of up to 30,000 components per hour.
It also ensures that the top film of the component reel is peeled back and collected on the take-up reel.
An optional accessory is a pull tester which is used to test the clutch mechanism by applying a controlled force of 2 kg clockwise against the clutch.
A digital readout provides conformation of correct functionality of the clutch mechanism.
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