Single Link Unit

Single Link Unit

Product catalog summary
Overview: This document provides technical specifications and component details for a Single Link Unit, specifically the HPSL model, used in hemming units for pre-draw operations. It includes a table of components, material specifications, and operational guidelines.
Specifications:
  • The unit is designed for right-hand operation, with a symmetric left-hand version available.
  • Key dimensions include an overall width of 162 mm and various component-specific measurements.
  • Spring force specifications are provided, detailing free length, initial and final lengths, and tensile forces.
Components and Materials:
  • The unit comprises various components such as base, bracket, liner, back stopper, casting pins, cam roller, ring, spring, and hinge pin.
  • Materials used include FCD600, SS400, S50C, SWP-A, S45C, and bronze with graphite for oilless bushings and washers.
  • Bolts with hexagonal socket heads and spring washers are also specified.
Operational Procedures:
  • The document outlines the operation between the driver and the unit, including initial contact of the roller, leaving from the roller, start of return, and completion of hemming.
  • Specific values for operations are provided, with notes on potential changes based on length.
Options and Modifications:
  • Sankyo Oilless offers machining or surface modifications for brackets upon request.
  • An optional feature, denoted by the letter J, can be included in the description if desired.
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Catalog excerpts

Single Link Unit-1

Single Link Unit FOR PRE-DRAW HPSL Oilless Bushing 1 Bronze with Graphite (SO#50 SP2) Casting Pin Cam Roller Ring Bolts with hexagonal socket head 2 SCM435 M812 Spring washer Oilless Washer Oilless Bushing E.Initial contact of roller 27.4 B.Leaving from roller A.Bottom dead center 0 (85) D.Completion of hemming 75 C.Start of return 1 Bronze with Graphite (SO#50 SP2) Operation between Driver and Unit 2 Bronze with Graphite (SO#50 SP2) Bolts with hexagonal socket head 4 SCM435 M616 1 Bronze with Graphite (SO#50 SP2) 340 (Bottom dead center) Oilless Washer Oilless Bushing Back Stopper Spring Force Free Length Sankyo Oilless can machine or modify the surface of the brackets. Please ask your sales representative. Initial Length The drivers conforming to this link unit are HPCDA and HPFCDA.(P.477 to P.480) Those values are for L = 10. Numbers in parentheses are subject to change with length. Option - J Initial Tensile Final Force Length N (kgf) Final Tensile Force N (kgf) Option If you would like this option, include the letter J at the end of the description. Hemming Units This drawing shows the right hand. The left hand is symmetric to this drawing.

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