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Universal Radial 8HT Instruction Manual

Feeders (dispensing heads)
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Radial 8, 88, & HT Feeders
(Dispensing Heads)
49668501 Rev. D
11-12 tcs,kjk
This document supports
Dual, Triple, and Quad Span
Feeder Assemblies
(Dispensing Heads)

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Summary of Contents for Universal Radial 8HT

  • Page 1 Radial 8, 88, & HT Feeders (Dispensing Heads) 49668501 Rev. D 11-12 tcs,kjk This document supports Dual, Triple, and Quad Span Feeder Assemblies (Dispensing Heads)

  • Page 2: Table Of Contents

    Use, duplication, disclosure, or transfer restricted by license from Universal Instruments Corporation. Certain terms are trademarks of Universal Instruments Corporation in the United States and/or other countries. For a list of Universal Instruments Corporation trademarks, see www.uic.com. All other trademarks are the property of their respective corporations.
  • Page 3 Page 1 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Feeder (Dispensing Head) Component Lead Conditioner Feeder (Dispensing Head) Low Parts Sense Reel Bin Holder For more detailed information on the subassemblies illustrated, refer to the applicable drawing for that subassembly located in the Feeders (Dispensing Head) or Feeder Assembly Drawings section of the maintenance documentation.

  • Page 4: Functional Description

    Page 2 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Functional Description The Feeder Assembly extracts components from reels or ammo packs and inserts them into the carrier clip on the sequencer chain to be transported to the insertion head. The low parts warning and the component lead conditioner are part of the feeder assembly.

  • Page 5: Procedures And Adjustments

    Page 3 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Procedures and Adjustments Adjustments and maintenance procedures required to ensure the machine operates efficiently are presented in the following subsections of this document. These are: Feeder Low Parts Warning Component Lead Conditioner Feeder Adjustment Procedures The procedures contained within this section are used to maintain the feeder.
  • Page 6 Page 4 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Retract the driver. Loosen the hex jam nut on the shaft of the pneumatic cylinder and thread the shaft into or out of the driver block as necessary. Check the dimension and repeat step 4 until the proper dimension is achieved.

  • Page 7: Driver Clearance Adjustment

    Page 5 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Driver Clearance Adjustment This adjustment prevents excessive lateral movement or binding between the driver and housing. This adjustment may be performed with the feeder either on the machine or removed from the machine and placed on a work surface. Prerequisites: Feeder Preliminary Forward Stroke Adjustment To adjust the driver clearance, perform the following procedure.

  • Page 8: Cutter Adjustment

    Page 6 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Cutter Adjustment The purpose of this procedure is to adjust the cutter block to the left or right so that the component carrying cardboard strip is sheared cleanly and with a minimum of resistance.

  • Page 9: Return Stroke Stop Adjustment

    Page 7 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Loosen the adjusting screw and pull the cutter block out so the clearance is too large. To apply some pressure to the cutter holder, tighten the 2 cutter holder screws until the split lock washers just start to collapse.
  • Page 10 Page 8 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Retract the air cylinder with 80 psi. Use a feeler gauge to check for a minimum clearance of .010 inch (0,25mm) between the ratchet dog and the housing post. NOTE Rotate the cam wheel counterclockwise to eliminate any free play between the link and the drive pin when making the measurement.

  • Page 11: Anti-Back-Up Dog Adjustment For 12.7 Mm Heads

    Page 9 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D When the correct clearance is achieved tighten the locking set screw against the adjusting screw. Check the clearances on all the teeth. If any are incorrect, repeat the adjustment procedure.
  • Page 12 Page 10 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Loosen the set screw that secures the anti-back-up dog eccentric in position as illustrated. Turn the set screw in that secures the eccentric until it bottoms out on the eccentric, but do not tighten. Manually actuate the main driver to position the reference mark on the ratchet wheel at the anti-back-up dog.

  • Page 13: Anti-Back-Up Dog Adjustment For 15 Mm Heads

    Page 11 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Anti-Back-Up Dog Adjustment for 15 MM Heads This adjustment ensures that the anti-back-up dog engages each tooth of the ratchet wheel at the end of the return stroke. This procedure applies to the following 15 mm feeders: •...
  • Page 14 Page 12 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) If the clearance between the anti-back-up dog and the ratchet wheel is too small, the dog fails to properly position at the end of the return stroke. This would allow the feed wheel to back up on the next forward stroke and fails to advance the component carrying cardboard strip.
  • Page 15 Page 13 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Tighten the locking set screw. Verify that the mounting block remains parallel to the housing. If needed, repeat adjustment until correct. Loosen the eccentric locking set screw. Turn the set screw in until it just bottoms out, but do not tighten.

  • Page 16: Feed Wheel Adjustment

    Page 14 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Install the feeder on the machine. End of Procedure Feed Wheel Adjustment This adjustment positions the feed wheel on its shaft so that the first component is centered in front of the pushers when the feed wheel is indexed.
  • Page 17 Page 15 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D NOTE For 2.5mm and 5.0mm, and 7.5mm and 10mm components, turn the feed wheel to align the leads as shown in the illustration. In the next step, be careful to keep the clamp plate parallel with the top of the feed wheel.

  • Page 18: Align Feeder To Carrier Clip

    Page 16 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Align Feeder To Carrier Clip Care must be used in aligning the feeder to the carrier clip to prevent damage to the carrier clip. This adjustment positions the feeder on the sequencer module so the pusher aligns with the carrier clip.
  • Page 19 Page 17 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Insert the .030 inch (0.76mm) feeler gauge setup tool where illustrated and check the clearance. When properly aligned, the feeler gauge is touching both surfaces and the carrier clip is displaced as far as it will go to the left. If adjustment is necessary, loosen the socket head cap screw, which holds the feeder on the sequencer, and push the dispenser to the left until the correct alignment is obtained.

  • Page 20: Refire Assembly Adjustment

    Page 18 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Refire Assembly Adjustment To ensure that components with small lead diameters will be accurately sensed while maintaining the ability to detect missing components, the overlap of the refire housing to the component support must be set. Prerequisites: Machine main power is on, machine is palmed down.

  • Page 21: Final Forward Stroke Adjustment

    Page 19 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Final Forward Stroke Adjustment The forward stroke must be adjusted to allow the component leads to fully seat in the carrier clip. If the stroke is too short, the leads fail to pass the high points on the clamps, and the component falls off the clip.
  • Page 22 Page 20 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Observe whether the pushers are pushing the component leads all the way into the notches in the carrier clip. The pusher should be contacting the front of the leads, and the leads should be contacting the back of the notches in the carrier clip.

  • Page 23: Feeder Maintenance

    Page 21 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Feeder Maintenance This section contains feeder corrective maintenance procedures. Refer to the Feeder Assembly Drawing section at the beginning of this module and the Feeder Drawings section in the Maintenance Support Document for additional feeder drawings.
  • Page 24 Page 22 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Power down the machine and perform Lockout/Tagout according to local procedures. WARNING The machine must be powered down and the local Lockout/Tagout procedure performed to ensure personal safety during this procedure. Disconnect the electrical cable from the feeder.

  • Page 25: Disassembling The Feeder

    Page 23 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Disassembling The Feeder The following steps and illustrations explain how to disassemble the feeder. It provides sufficient information to access all parts but does not detail the more obvious procedures. If additional assistance is required, refer to the feeder assembly procedures.
  • Page 26 Page 24 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Disconnect the refire assembly (11) from the cover. Remove the cap screws (8) that secure the cover (9) to the housing. Remove the cap screws (4) that secure the cylinder and valve unit to the rear of the feeder housing (5).
  • Page 27 Page 25 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Remove the cap screws (23) that secure the clamp plate (24), locking element (25) and feed wheel (26). Remove these parts from the ratchet assembly shaft (29). Remove the retainer ring (28) on the ratchet assembly shaft. This allows the ratchet assembly (29), cam unit (30), link (22) and associated parts to be removed from the bottom of the housing (5).

  • Page 28: Assembling The Feeder

    Page 26 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Remove the machine screws (15) from the cutter holder (16). This allows the cutter holder to be removed from the housing (5). The ratchet assembly (29), cam unit (30), pawl (31) and link (22) can all be disassembled by removing the retainer ring (32) that secures these parts.

  • Page 29: Installation Of The Feeder Assembly

    Page 27 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Lift the front of the driver and carrier and install the compression spring (13) onto the retainer pin on the bottom of the carrier. Compress the spring and engage it in the slot in the housing. Seat the driver and carrier into the housing so they are flush with the top of the housing.

  • Page 30: Component Lead Conditioner Adjustment

    Page 28 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Component Lead Conditioner Adjustment This adjustment positions the component lead conditioner wheel to accommodate the selected component, ensuring optimum lead straightening and reduced occurrence of lead jams. Component Lead Conditioner To adjust the component lead conditioner, perform the following procedure.

  • Page 31: Low Parts Warning Ball Plunger Screw Adjustment

    Page 29 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D For components with unguided leads, SIPs for example, ensure that the height of the wheel and guide is set so the unguided leads do not pass between the wheel and guide. Refer to the illustration. Component Tape .030 inch (0.76mm)

  • Page 32: Component Lead Conditioner Tape Guide Removal

    Page 30 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Component Lead Conditioner Tape Guide Removal It may become necessary to remove the tape guide in the event of wear. To remove the component lead conditioner tape guide, perform the following procedure.

  • Page 33: Component Tape Loading Procedure

    Page 31 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Complete these steps in reverse to reassemble the component lead conditioner tape guide. End of procedure Component Tape Loading Procedure This section describes the procedure for loading components into the feeders. A brief description of the function of the low parts warning system is also included.
  • Page 34 Page 32 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) Orient the end of the tape so that the holes in the tape are over the pins on the component lead conditioner wheel and under the tape guide. Using the component guard, manually turn the component lead conditioner wheel until the component tape exits above the assembly.

  • Page 35: Loading Components Into The Reel Bin Holder Assembly

    Page 33 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Run the end of the component tape along the inside of the component lead conditioner bracket. Turn the component guard to continue feeding tape. Pull the pin and open the chute on the feeder. Component guard Chute Air cylinder...

  • Page 36: Assembling The Component Lead Conditioner

    Page 34 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) To load ammo boxes of components, slide them into the divider 2 slots. Divider 2 Slots Pivot Rod Reel To load component reels, unlock and extend the pivot rod, inserting the hub of the reel over the end of the pivot rod.

  • Page 37: Assembling The Low Parts Warning

    Page 35 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D While lifting the tape guide to clear the pins of wheel 1, slide wheels 1 and 2 onto the hub on the bracket as shown. Secure with the shoulder bolt.
  • Page 38 Page 36 49668501 Rev. D Radial 8, 88, HT Feeders (Dispensing Heads) With the gate closed, turn the ball plunger in until it bottoms out, then back it out 1/8 to 1/4 turn. Observe that this mates with an indentation (detent) in the body of the part and that there is no play in the guide.

  • Page 39: Changes To This Revision

    Page 37 Radial 8, 88, HT Feeders (Dispensing Heads) 49668501 Rev. D Changes To This Revision In “Feed Wheel Adjustment”, modifed the graphic to flip the wheel and blowouts to the upper right corner. This document supports Dual, Triple, and Quad Span Feeder Assemblies (Dispensing Heads)

This manual is also suitable for:

Radial 88ht

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