Stuertz Conveyor Motor and Indexing Setup

Auteur avatarGareth Green | Dernière modification 14/06/2023 par Gareth Green en cours de rédaction

Correct setting and adjustment of the Stuertz Conveyor and Indexing System

Stuertz Conveyor Motor and Indexing Setup Both Sensors.jpg

Quick Adjustment Guide

Goal is to get the second upstand just beyond the rear fence rollers

The photo shows a situation where the index is just behind the rollers, so would need to move forwards

Stuertz Conveyor Motor and Indexing Setup upstand position.png


To adjust the second upstand stop position, undo the index arm locking bolt and rotate it around the shaft.

...The belt indexing length is 200mm, which equates to one revolution of the index arm. Therefore to move 50mm will be 1/4 of a turn


Adjustment Guide
Direction Photo Adjustment
Towards Operator
Stuertz Conveyor Motor and Indexing Setup Move Back.png
Stuertz Conveyor Motor and Indexing Setup Screenshot 2023-01-30 194735.jpg
Away from Operator
Stuertz Conveyor Motor and Indexing Setup upstand position.png
Stuertz Conveyor Motor and Indexing Setup Screenshot 2023-01-30 194735.jpg

General Sequence of Operation

  • On a start signal, release motor mechanical brake, start motor
  • Wait until INDEX and BRAKE sensors are inactive
  • Wait for BRAKE sensor active
  • Decelerate motor
  • Ensure INDEX sensor is covered
  • Apply Mechanical Brake
...Indexer works on one revolution of motor / gearbox is exactly one index on the conveyor belt


...The loading table should work if the bar is loaded to the front, back or middle of the conveyor "slot". It is recommended that it is pushed to the rear of the slot, but this will only work if the indexing system is set up properly so that it does not over-rotate and take the bar back past the rollers. In this case, the action of lifting the bar will tip it over

General Setup Procedure

  1. Program the inverter to run forwards and backwards at 50Hz, 0.5s acceleration and deceleration
  2. Use the advance button to move to index one position / index
  3. Check that the INDEX sensor is covered on deceleration - adjust the INDEX on the arc so that this is the case
  4. Measure the position of the index to the backfence - this should be 130mm.
  5. Adjust the position by loosening the Allen key fastening on the INDEX ARM. Rotate up at the rear to move the index closer to the backfence (Arrow shown in blue). Remember, one revolution is one index pulse length (200mm)
  6. Check the sensor spacing vs the slimmest outer frame profile - ensure at leas one sensor is on across slot range in both position 7 and 8
Stuertz Conveyor Motor and Indexing Setup Infeed Sensors Missing Slim.jpg


Position of sensors can be adjusted on hole pitch - For 50mm slim outer, the rearmost sensor needs to move forward one pitch


IO on Autoflow Mk4 Infeed Table

Stuertz Conveyor Motor and Indexing Setup IO 2.png


Infeed Setup Functionality
IORef Reference Code Function Notes
Y109 OuA_IMotFwd Rotate Forwards Forwards means belts should take the profile from the operator towards the backfence
Y110 OuA_IMotRev Rotate Reverse Belts rotated in reverse
Y382 OuA_IMotBrake Motor Brake Motors have a brake function white needs to be ACTIVE / ON to release the brake
X388 InA_CnvBrk Sensor to trigger deceleration This sensor tells the motor when to decelerate to stop the profile close to the loading position.
...Generally, a deceleration on the motor will cause this position to overrun

X033 InA_Index Sensor to identify that conveyor is in position

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