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Case Study: OEM Quality Chain Lugs and Pushers Improve Stitcher Line Performance in Chicago, IL

Project Overview: M&L OEM Quality Chain Lugs and Pushers Improve Stitcher Line Performance

The client experienced frequent failures with generic stitcher chain lugs and pushers.
  • Project:  Pusher Breakage causing Unplanned Downtime
  • Description:  Premature wear and material degradation
  • Size: Mid-sized commercial printing/binding
  • Location :  Elk Grove Village, IL – Chicagoland
  • Replacement Parts:  M&L OEM quality stitcher chain lugs and chain pushers
  • Duration:   Immediate Shipment

Untimely part breakages disrupted production timelines and increased maintenance costs.

Chain Lugs and Pushers Built for Real-World Production

Precision-engineered from high-performance urethane, M&L’s chain lugs and pushers withstand the continuous motion and impact of commercial stitcher chains. The high-speed jobs tested the ongoing reliability and these replacement parts maintained alignment and reduced breakage. Soft and hard durometer options support the specific load requirements without compromising durability.

Fits Major Stitcher Models Including SP705–SP1100

These OEM quality parts are compatible with a range of stitcher models including the SP705, SP750, SP855, SP1000, and SP1100. Each lug or pusher is dimensionally matched to your chain system to ensure proper seating, smooth feed, and minimal wear. M&L’s urethane-based upgrade provided more reliability and at almost half the original equipment manufacturer price.

Solution: M&L Machine Tool reverse-engineered soft and hard urethane chain lugs and chain pushers.

CHAIN LUG HARD
Chain Lug made from long lasting urethane. Depending on your chain it will fit SP705 Stitcher, SP750 Stitcher, SP855 Stitcher, SP1000 Stitcher, SP1100 Stitcher, etc.

Image Part Number Type Urethane Use Case

OEM Quality Chain Lugs and Pushers

VG25A201 SOFT
Chain Lug Soft Lighter runs (e.g., SP705)
VG25A201 HARD VG25A201 HARD Chain Lug Hard Heavy mailers/coated stock (e.g., SP1000)
VG25A201A SOFT VG25A201A SOFT Chain Lug Soft Lighter runs
VG25A201A HARD VG25A201A HARD Chain Lug Hard Heavier loads
FS14-356 SOFT FS14-356 SOFT Chain Pusher Soft Lighter runs
FS14-356 HARD FS14-356 HARD Chain Pusher Hard High-stress applications
5773741 SOFT 5773741 SOFT Chain Pusher Soft Specific machine models
5773741 HARD 5773741 HARD Chain Pusher Hard Specific machine models

RESULTS: Stop The Downtime with Efficiency using M&L Machine Tool OEM Quality Replacement Parts for Commercial Printing Stitchers

Material Advantages: Urethane vs. Traditional Materials

M&L high-quality urethane chain lugs and pushers demonstrate benefits over traditional materials:

  • Durability: Urethane exhibits improved wear resistance.
  • Flexibility: Soft urethane lugs flex under stress reducing the breaks during jams.
  • Strength: Hard urethane variants provide rigidity needed for heavier loads without deformation.
Result Details
Extended Part Lifespan M&L OEM quality urethane parts extend lifespan compared to common plastic replacement parts.
Cost Savings 50% savings over original OEM part cost while maintaining the same quality.
Delivery Time Parts delivered within 48 hours.
Identified Proper Part Requirement – Soft chain lugs and pushers are more flexible and bend instead of breaking during jams.
– Hard chain lugs and pushers are recommended for heavy magazines requiring stiffer support.
Soft Part Behavior Soft parts will bow under stress and avoid breaking but are unsuitable for pushing heavy loads.
Hard Part Behavior Hard parts effectively push heavy loads but may fracture under extreme stress conditions.

Client Feedback
“We didn’t expect urethane upgrades to make this much difference, but they DO!  Everything is smoother.”

Location Reference Points (Elk Grove Village, IL – Chicago Metro Area)

  • Cross Streets: Landmeier Rd & Busse Rd
  • Latitude / Longitude: 42.0039° N, 87.9703° W
  • Nearby Business Parks: Elk Grove Industrial Park – one of the largest in North America
  • Landmarks:
    • Elk Grove Technology Park – modern business campus with manufacturing & logistics firms
    • Busse Woods Forest Preserve – major forest preserve and recreational area
    • Transportation Access:
      • 6 miles west of O’Hare International Airport
      • Easy access to I-90, I-290, and IL-83
Stitcher Parts Part #:5773741 HARD

5773741 HARD
CHAIN PUSHER

Chain Lugs and Pushers in Saddle Stitchers

In saddle stitchers like the SP705 through SP1100 chain lugs and pushers provide precise movement of signatures (folded sheets) through binding. M&L OEM quality replacement parts, affixed to the conveyor chain, push and position the sheets accurately as they progress into stitching and trimming. Consistent M&L product quality minimizes jams and misfeeds.

Compatibility with SP-Series Stitchers

M&L chain lugs and pushers are engineered to fit the specific chain pitch as the OEM replacement parts are designed.