US precision cam-driven indexing equipment manufacturer and custom automation builder, founded 1970 in Troy, Michigan.
Motion Index Drives, Inc. is a Troy, Michigan-based manufacturer of precision cam-driven indexing equipment for automated production lines, founded in 1970 by brothers Al and Bob Sievers as Motion Manufacturing. The company produces rotary index tables, linear transfer systems, right angle drives, parallel shaft indexers, ring tables, trunnions, lift and rotate units, pick and place units, precision link conveyors, and lift and carry systems. Motion Index Drives holds ISO 9001 certification and serves automotive, aerospace, pharmaceutical, and general manufacturing industries globally.
In 2017, the company established LazerArc as a dedicated division for custom engineered automation solutions, including 2-axis through 5-axis weld positioners and robot transfer units (RTUs) in 7th-axis in-floor, elevated, and inverted configurations. LazerArc's mechanical drive uses a zero-backlash programmable cam system achieving accuracy within 2–3 arc seconds. Products target material handling, welding, and painting applications.
Primary type & automation activities this supplier delivers:
7th-axis robot transfer unit available in in-floor, elevated, and inverted configurations for welding, painting, and material handling.
Precision cam-driven rotary indexing tables for high-speed automated assembly and manufacturing lines.
Contact Motion Index Drives / LazerArc
WEBSITE
https://motionindexdrives.comPHONE
+1 248-743-9999HEADQUARTERS
United States
Company Facts
Founded
1970
Primary Role
Manufacturer
Company Size
-
Primary Region
North America
Annual Sales
-
Funding Stage
-
Funding Total
-
Certifications & Memberships
The third report in the WRC 2026 series. Report 1 mapped all 248 exhibitors by category and Report 2 covered the 139 that build finished robots. This one covers the 137 that build what goes inside them.
ByThomas Siew Just now149 of the 248 classified WRC 2026 exhibitors build finished robots. 93 build humanoid or legged machines. The audited humanoid sales number is one unit.
ByThomas Siew 12 hours agoWe classified 248 WRC 2026 exhibitors with the RobotToday taxonomy. Motion & Actuation leads at 75 companies, Humanoid at 72, and compute stays thin at 12. (Modified 2026-08-27)
ByThomas Siew Aug 26, 2026This week in robotics: Unitree surges 629% in its Shanghai STAR Market debut at a $66 billion valuation, Nevada approves 7,000 robotaxis, Amazon Prime Air expands to nearly 500 US cities, and Beijing's World Robot Conference marks the industry's pivot from spectacle to scale. August 17–21, 2026.
ByRobotToday Reporter Aug 22, 2026Your weekly robotics briefing: Unitree's IPO is swamped by retail demand, the US puts 100% tariffs on imported drones, LG and Nvidia commit to a 2027 humanoid, and Uber and Pony.ai bring 2,000 robotaxis to Europe.
ByRobotToday Reporter Aug 15, 2026RSF defines two hard stops around robot commissioning. Bypass SG1 and safety liability shifts to you; skip SG2 and your SLA loses its evidence base. Inside.
ByRSF Research Aug 10, 2026The book the field agreed to make free: full preprint PDF, video lectures and open code from the authors. Screw theory and kinematics, taught rigorously.
ByRSF Research Jul 31, 2026Robotics has a canon; robot service does not. Ten books scored on adoption, RSF layer coverage, field value and difficulty, plus six specialist picks.
ByRSF Research Jul 27, 2026Construction faces an $11.4 trillion market crisis. Labor shortfalls, a $1.6 trillion productivity gap, and demographic collapse create the automation inflection point of the decade.
BySimon Dicky Mar 03, 2026Tesla Optimus Gen-3 hand redesign adopts gearbox, lead screw, and tendon drive as supply chain shifts toward cost compression and China-based scaling.
ByRobotToday Reporter Sep 28, 2025