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MRMC Precision Track -1182-06 Quick Start Manual

Track for large motion control rigs
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Precision
Track
TRACK FOR LARGE MOTION CONTROL RIGS
Quick Start Guide
Product code: MRMC-1182-06
CRANES AND RIGS | BROADCAST | HEADS & DSLR | PRODUCT PHOTOGRAPHY | RENTALS

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Summary of Contents for MRMC Precision Track MRMC-1182-06

  • Page 1 Precision Track TRACK FOR LARGE MOTION CONTROL RIGS Quick Start Guide Product code: MRMC-1182-06 CRANES AND RIGS | BROADCAST | HEADS & DSLR | PRODUCT PHOTOGRAPHY | RENTALS...
  • Page 2 Precision Track Quick Start Guide Product code: MRMC-1182-06 Last updated on: 23 March 2022 © 2020 Mark Roberts Motion Control Ltd. All rights reserved. No part of this publication may be reproduced, transmitted, or translated by any means — graphical, electronic, or mechanical — including...

  • Page 3: Table Of Contents

    Precision Track Quick Start Guide Contents Precision Track Quick Start Guide Precision Track Quick Start Guide Chapter 1 Assembling the track ............. 1 Safety..................1 Overview .................1 Before you start .............1 Laying the first track section ..........5 Anchoring the track...............7 Using Weight Plates with Bolt X on Track......9 Number of plates............9 Laying the First Track Section –...
  • Page 4 Precision Track Quick Start Guide Appendix 1 Specifications............... 49 Precision Track ..............49 Narrow Rail................50 Appendix 2 Cleaning and Maintenance.......... 51 General Care.................51 Cleaning ................51 Rail................51 Bearing Rail ..............51 Feet Bolts and Anchor Sleeves ........51 Joiner Pieces ..............52 Track Bearings.............52 Appendix 3 Mounting the rack ............

  • Page 5: Chapter 1 Assembling The Track

    Overview Thank you for using Precision Track from Mark Roberts Motion Control (MRMC). The track is designed to help you achieve pixel-perfect repeatability of your camera moves by supplying smooth, rigid support when using large, heavy motion control robots such as the Milo, Titan, and Bolt over long distances.
  • Page 6 Precision Track Quick Start Guide to cope. Beyond this range you will need to use additional supports to keep the track flat and level.  The track is not reversible due to the rack, which has teeth on one side. You must lay all sections the same way around. If your track does not have the rack installed yet, look at the rack clips on the track, which will grip the rail on the teeth side when you install the rail later.
  • Page 7 Precision Track Quick Start Guide  Each Precision track section has ten feet for supporting and levelling the track, and four anchor brackets for holding the track down if you are using a high-speed rig such as Bolt. Foot, which takes the weight of the track and Anchor bracket, which holds the track down...
  • Page 8 Precision Track Quick Start Guide  If you are using a fast rig with a long arm such as Bolt X on Track and anchoring the track to the floor is not feasible then it should be mounted using weight plates. Weight plates...

  • Page 9: Laying The First Track Section

    Precision Track Quick Start Guide Laying the first track section Note This procedure applies to laying first track section for all large rigs except Bolt X on Track. For laying precision track for Bolt X on Track, use the procedure on Laying the First Track Section – Bolt X on Track (with Weight Plates) on page 12.
  • Page 10 Precision Track Quick Start Guide Level the track in both length and width directions using a spirit level, by adjusting the four corner feet of the track. Make sure all four corner feet are touching the ground (no wobble). Hint The four corner feet also determine the track height.

  • Page 11: Anchoring The Track

    Precision Track Quick Start Guide Anchoring the track If you are using a fast rig such as Bolt On Track you must either hold the track down with weights (see page 42) or secure the track to the floor by using bolts or screws through the four track anchor brackets.
  • Page 12 Precision Track Quick Start Guide Put the drop-in anchor insert, threads upward, through the sleeve and into the hole in the concrete, all the way to the bottom. Insert the anchor spreader tool into the drop-in anchor insert. Hit the top of the anchor spreader tool with a hammer until the anchor is fully spread in the concrete, being careful not to hit the track.

  • Page 13: Using Weight Plates With Bolt X On Track

    Caution should therefore be exercised when using weight plates alone to stabilise a system. MRMC have empirically tested the Bolt X to a maximum speed of 180deg/s on Joint 1 of the rig. A 6-plate system will provide the required safety at this speed.
  • Page 14 Precision Track Quick Start Guide Rail Sections Plates Required Upto 3 Equivalent of 6 plates 3 to 6 More than 6 One plate per rail section, spaced evenly...
  • Page 15 Precision Track Quick Start Guide 1 section = 6 plates or equivalent 3 sections = 6 plates 5 sections = 6 plates 8 sections = 8 plates...

  • Page 16: Laying The First Track Section - Bolt X On Track (With Weight Plates)

    Precision Track Quick Start Guide Laying the First Track Section – Bolt X on Track (with Weight Plates) Carefully, 2 persons lift a weight plate from the crate and lay it such that it is perpendicular to the position of where the first track section is to be installed.
  • Page 17 Precision Track Quick Start Guide Lay the first track section, placing the 4 x anchor screws on the track directly above the 4 x floating retainers on the floor plates. Anchor sleeves Floating retainers Level the track in both lengthways and widthways using a spirit level, by adjusting the four corner feet of the track.
  • Page 18 Precision Track Quick Start Guide Insert the retaining bolt in the anchor sleeve and tighten it. Note that the floating centre retainers on the floor plates can be adjusted sideways slightly to match the retaining bolt. Height adjustment bolt Locking nut Feet Anchor sleeve...

  • Page 19: Laying The Second Track Section - Bolt X On Track (With Weight Plates)

    Precision Track Quick Start Guide Repeat Step 7 and 8 for the remaining 3 anchor sleeves for the first track section. Note If you are using only one track section, use the above procedure to lay the track section and the weight plates and then place additional two weight plates across the weight plates already laid as additional weight.

  • Page 20: Laying Subsequent Track Sections

    Precision Track Quick Start Guide plates to go under first. Follow the subsequent sections in this Quick Start Guide for further instructions. Note Once the track is secured using weight plates, no other weights need to be added to the corners of the track. Laying subsequent track sections If any of your track sections already have a rack installed, loosen the rack...
  • Page 21 Precision Track Quick Start Guide Section 1 Joint Section 2 Joint Adjust the height of the new track section to match that of the previous section by adjusting the two corner feet nearest to the joint (one on each rail). Level the new track section with a spirit level by adjusting the two corner feet furthest from the joint (one on each rail).

  • Page 22: Mounting The Bearing Rail Joints

    Precision Track Quick Start Guide On the new section, lower the six middle feet until they touch the ground (finger tight against the ground) and then tighten the lock nuts on them. 10. If you are using a fast rig such as Bolt, anchor the new track section to the floor as you did for the previous track section, using the procedures in Anchoring the track on page 7.

  • Page 23: Multiple Lengths Of Track

    Precision Track Quick Start Guide Bearing rail joint Put one of the long bearing rail joints onto the track. Note – Bolt X on Track The rail joints for Bolt on Track have four additions threaded holes which require corresponding holes in the rails themselves. If they haven’t been done already, use the rail joint holes as guides to drill holes in the rails.
  • Page 24 Precision Track Quick Start Guide Level the multiple length as one unit measuring the end to end level only in the centre of the entire group. Level the track in the centre first...
  • Page 25 Precision Track Quick Start Guide Using only the middle pair of feet, bring the centre of the rail up to the level with the ends by measuring the level at the centre of the first half. Level the centre of one half of the group...
  • Page 26 Precision Track Quick Start Guide Level the centre of the other half of the group Push the rest of the feet down. Extra lengths of the rail can then be added and individually levelled.

  • Page 27: Mounting Bolt (Family Of Robots) On The Track

    Precision Track Quick Start Guide Mounting Bolt (family of robots) on the track This section tells you how to mount Bolt On Track onto Precision Track. Mounting Bolt on the track bearings Track motor gear Teeth...
  • Page 28 Precision Track Quick Start Guide Roll the rig to a position just off the end of the track, raise the rig on its wheels high enough to go over the track using the wheel cranks, and rotate the rig on its wheels to be the correct way around so that the track motor gear on the rig underside is on the toothed side of the rack.
  • Page 29 Precision Track Quick Start Guide Carefully lower the rig onto the four track bearings, making sure that all four bearings are aligned with the corners of the rig base, and the track motor gear on the underside of the rig clears the rack. Tighten the four track bearing mounting bolts at the corners.

  • Page 30: Attaching The Track Motor Pinch Wheel To Bolt (Family Of Robots) On Track

    Precision Track Quick Start Guide Attaching the track motor pinch wheel to Bolt (Family of Robots) On Track Mounting bar Socket Anti skip block On the separately supplied pinch wheel assembly, remove the brass retaining pin by pulling on the ring. Mount the pinch wheel assembly onto the track motor on the rig underside, by sliding the track motor gear against the rack and putting the pinch wheel Socket onto the track motor Mounting bar.
  • Page 31 Precision Track Quick Start Guide Use the lever or an allen key into the pinch wheel CAM to pull it towards the rack until it snaps into position. This holds the track motor gear firmly against toothed side of the rack. Connect the pinch wheel cable and use cable ties to hold it securely up away from the track.

  • Page 32: Mounting The Bumpers On Bolt (Family) Of Robots On Track

    Precision Track Quick Start Guide Mounting the bumpers on Bolt (Family) of Robots on Track Locking slot Insert one of the bumpers into the hole in the base of the rig. Insert the four retaining bolts through the bumper bracket and into the base, but do not tighten yet.

  • Page 33: Removing The Trolley Wheels From Bolt (Family Of Robots) On Track

    Precision Track Quick Start Guide Repeat steps 1 to 4 to mount the other three bumpers. Hint One of the corners on the bumper bracket has a locking slot cut into it. Tightening the bolt on this corner flexes the bracket, which in turn locks the threaded cylinder of the bumper to prevent it from turning.
  • Page 34 Precision Track Quick Start Guide With the base of the rig supported by the track, pivot the wheels away from the rig. Turn the cranks to lower the wheels to the ground. Apply the wheel brakes. Remove the two bolts holding the wheel trolley unit on the rig. Lift the wheel unit away from the rig.
  • Page 35 Precision Track Quick Start Guide Notes...

  • Page 36: Mounting A Milo Or Titan On The Track

    Precision Track Quick Start Guide Mounting a Milo or Titan on the track Mounting outriggers on the track The outriggers for Precision Track are a safety feature and must be always used for safety to prevent the rig tipping when assembling, disassembling or using a Milo Long Arm or Titan.

  • Page 37: Mounting A Milo Or Titan On The Track Bearings

    Precision Track Quick Start Guide Mounting a Milo or Titan on the track bearings Stop at Rack the top Turret Base Ramp-up rail Pinch Rail wheel wheel Brakes Track motor gear Attach the pair of ramp-up rails to one end of the track, using three bolts on each rail.
  • Page 38 Precision Track Quick Start Guide Track bearings With the rig at the highest point on the ramp-up rails, carefully push the four track bearings onto the ends of the bearing rails (two on each rail) and into position under the four corners of the rig base. Hint Always mount and remove the track bearings with care.
  • Page 39 Precision Track Quick Start Guide Track motor gear Teeth Pinch wheel mount point 10. Let off the brakes and push the rig further along the ramp, down the small slope, and the rest of the way onto the track. When you do this, make sure that each of the four track bearings fits into the recess at the corners of the rig.

  • Page 40: Attaching The Track Motor Pinch Wheel To A Milo Or Titan

    Precision Track Quick Start Guide Attaching the track motor pinch wheel to a Milo or Titan Track motor gear Pinch wheel assembly On the underside of the rig, slide the track motor gear against the rack. Bolt the pinch wheel assembly onto the mounting point on the underside of the track motor and tighten the bolt.

  • Page 41: Mounting The Bumpers On A Milo Or Titan

    Precision Track Quick Start Guide Mounting the bumpers on a Milo or Titan Mounting brackets Insert one of the bumpers through the appropriate hole in the base of the Milo or Titan, and then into the mounting bracket until it clicks into place.
  • Page 42 Precision Track Quick Start Guide Notes...

  • Page 43: Mounting The Limit Switch And Datum Switch Magnets On The Rack

    Precision Track Quick Start Guide Mounting the Limit Switch and Datum Switch magnets on the rack About track limits In a track-mounted rig there are typically three devices for limiting movement along the track to prevent the rig going off the end of the track: ...

  • Page 44: Mounting The Magnets

    Precision Track Quick Start Guide Mounting the magnets Although you can mount the magnets for the Limit Switch and Datum Switch on the rack at any time, you ordinarily do this after mounting the rig on the track so that you can precisely adjust the height of the magnets relative to the magnet sensors on the pinch wheel on the underside of the rig.
  • Page 45 Precision Track Quick Start Guide the switch that is in the Limit magnet position, and the Datum cable to the switch that is in the Datum magnet position. Mount the two Limit Switch magnets (the two brackets that have the magnet in the same hole) onto the underside of the rack —...

  • Page 46: Mounting The Weight Wings And Buffers

    Note Weight buckets are only supplied with certain rigs. Contact MRMC to learn if your rig accompanies weight buckets.
  • Page 47 Precision Track Quick Start Guide Foot Weight wing Sack truck (Not supplied) Put the first weight wing into place on the end of the track, resting on the floor. Bolt the left buffer onto the end of the track, using one bolt from the buffer side and another from the end of the track.

  • Page 48: Mounting The Buffers Without Weights

    Precision Track Quick Start Guide Repeat steps 1 to 5 for the other two weight wings and buffers on the other side of the track so you have two boxes of weights mounted at each end of the track. Mounting the buffers without weights You ordinarily mount the buffers after you have mounted the rig on the track, although you can mount the rig on the track later if have a forklift that can lift the rig high enough to go over the track from the side.

  • Page 49: Mounting Buffers On Narrow Rail

    Precision Track Quick Start Guide If you are mounting a limit for a Bolt On Track rig, screw the foot down against the floor, finger tight only. The buffer for a Milo or Titan rig doesn’t have a foot. Repeat steps 1 to 2 for the other three buffers so you have two limits mounted at each end of the track.
  • Page 50 Precision Track Quick Start Guide If the bumpers are not already mounted, add the bumpers on all buffers by tightening them using a C-spanner.
  • Page 51 Precision Track Quick Start Guide Notes...
  • Page 52 Precision Track Quick Start Guide Notes...

  • Page 53: Appendix 1 Specifications

    Precision Track Quick Start Guide Appendix 1 Specifications Precision Track Quick Start Guide Precision Track Quick Start Guide Precision Track Weight: 95 Kg per section including the rack 21 Kg per pair of ramp-ups 140 Kg for each box of weights  4 boxes if using weight wings. 186 kg for each floor weight plates (only for Bolt X on Track) Dimensions: All measurements are in mm: Bearing rail...

  • Page 54: Narrow Rail

    Precision Track Quick Start Guide Narrow Rail Weight: 112kg per section including the rack Dimensions: All measurements are in mm: Bearing rail spacing centre-to-centre Bearing rail height...

  • Page 55: Appendix 2 Cleaning And Maintenance

    Precision Track Quick Start Guide Appendix 2 Cleaning and Maintenance Precision Track Quick Start Guide Precision Track Quick Start Guide General Care Precision rail is very tough but needs some regular attention to keep it in good condition. Do not leave wood screws or board screws on the rail when set building, if they are driven over with a rig they can destroy a bearing and seriously damage the rail.

  • Page 56: Joiner Pieces

    Precision Track Quick Start Guide Joiner Pieces The 10cm long cutout on the fabrication for the joiner pieces should be carefully cleaned every time a rail joiner is placed. Track Bearings The Track Bearings should be frequently greased using a good quality grease gun, again from a motor factor;...
  • Page 57 Precision Track Quick Start Guide Notes...
  • Page 58 Precision Track Quick Start Guide Notes...

  • Page 59: Appendix 3 Mounting The Rack

    Precision Track Quick Start Guide Appendix 3 Mounting the rack Precision Track Quick Start Guide Precision Track Quick Start Guide Mounting the rack If your track sections do not yet have the racks mounted on them, do this now for each track section as follows: 1.1 Loosen all the rack clips on the track section.
  • Page 60 Precision Track Quick Start Guide Rack matching block Rack mounting bracket Main rail joint Remove the vice and rack matching block. Tighten all rack clips on the two adjoining sections of track. If you are using a high-speed rig such as Bolt, also secure the rack with an extra bolt through the rack at every mounting bracket.
  • Page 61 Precision Track Quick Start Guide Notes...
  • Page 62 Precision Track Quick Start Guide Notes...
  • Page 63 Precision Track Quick Start Guide Notes...
  • Page 64 Mark Roberts Motion Control Ltd. Unit 3, South East Studios, Blindley Heath, Surrey RH7 6JP United Kingdom Telephone: +44 (0) 1342 838000 info@mrmoco.com www.mrmoco.com...

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