If you are scoping custom automated assembly machines, you are usually solving one of three problems at once: a manual line that cannot hold cycle time, quality escapes the operator cannot consistently catch, or a customer demanding serialized traceability you do not have today. An off-the-shelf assembler will not fix any of them — your part, your tolerances, and your takt are too specific. The machine has to be built around them.
AMD Machines has designed and built custom assembly systems for more than thirty years, with over 2,500 machines delivered. Mechanical, electrical, controls, vision, and robotics engineering are all in-house, so the machine that ships matches the part on your bench and the rate on your floor.
What is a custom automated assembly machine?
A custom automated assembly machine is a production system engineered for one product family — feeding, orienting, joining, verifying, and unloading parts on a fixed cycle, with every operation monitored and every result logged. Nothing about it is off-the-shelf except the underlying components.
- Purpose-built nests and fixtures sized to your part
- Joining methods (press-fit, screwdriving, welding, dispensing) chosen per station
- In-process verification (force, torque, vision, leak) at the source of the operation
- Serialized data on every unit — no sampling, no clipboards
- Architecture sized to your volume: rotary, linear, robotic, or hybrid
How a custom assembly machine works
- Feed and present — bowl, centrifugal, flex, or tray feeders orient components and stage them for pick or transfer.
- Index and locate — a rotary dial, linear pallet, or robot moves the workpiece to each station and clamps it in a rigid, repeatable nest.
- Join and fasten — servo presses, multi-spindle screwdrivers, dispense valves, or weld heads execute the operation with closed-loop force, torque, or volume control.
- Verify in-process — vision, force-displacement signatures, and torque-angle curves confirm each operation against pass/fail envelopes before the next station runs.
- Test — inline leak, functional, or electrical test gates the part against engineering thresholds when required.
- Mark and serialize — laser, dot-peen, or label print-and-apply ties the part to its full assembly record.
- Sort and unload — pass parts route to packout; rejects route to a locked bin with the failure code attached.
Configurations compared
| Configuration | Best for | Typical cycle | Typical stations | Notes |
|---|---|---|---|---|
| Rotary dial (indexer) | High-volume, small-to-mid parts, stable design | 1.5–6 s | 4–16 | Parallel stations on a Weiss or Colombo Filippetti cam; fastest architecture per square foot |
| Linear / pallet transfer | Larger parts, more operations, future expansion | 6–30 s | 6–40+ | Bosch Rexroth TS or custom conveyor; add or rearrange stations over the machine's life |
| Robotic assembly cell | Mixed-model, lower volume, frequent variants | 8–25 s | 1–6 robot reach zones | FANUC, ABB, KUKA, Yaskawa, or UR; flexible tooling and vision-guided picks |
| Hybrid (dial + robot) | High volume with one or two complex variant ops | 3–8 s | 8–20 | Dial backbone with a robot handling the variant-rich or precision station |
| Multi-lane / parallel | Test or cure time longer than takt | Matches takt | 2–8 lanes | Multiple fixtures share or duplicate the slow operation |
We size architecture to volume, variant mix, and the slowest station — never the other way around.
Key components and technologies
- Joining — Promess, Kistler, and Schmidt servo presses (0.5–50 kN); Atlas Copco, Desoutter, and Weber screwdriving spindles; ultrasonic, laser, and resistance welders
- Dispensing — Nordson EFD, Graco, and Scheugenpflug volumetric or time-pressure valves for adhesives, sealants, and grease
- Feeding — RNA, Automation Devices, and Service Engineering vibratory bowls; Asyril Asycube and FlexiBowl vision-guided flex feeders for fragile or complex parts
- Robots — FANUC LR Mate / M-series, ABB IRB, KUKA KR Agilus, Yaskawa MotoMini, and Universal Robots collaborative arms
- Vision — Cognex In-Sight and VisionPro, Keyence CV-X / XG-X, FANUC iRVision integrated for guidance and verification
- Controls and safety — Allen-Bradley CompactLogix / ControlLogix, Siemens S7-1500, Beckhoff TwinCAT; dual-channel safety circuits per ISO 13849
| Subsystem | Typical hardware |
|---|---|
| PLC and HMI | Allen-Bradley + FactoryTalk / Ignition, or Siemens S7-1500 + WinCC |
| Servo and motion | Allen-Bradley Kinetix, Beckhoff, Rexroth IndraDrive |
| Pneumatics | SMC, Festo, Parker valve and cylinder packages |
| Vision lighting | Smart Vision Lights, Advanced Illumination |
| Safety | Pilz, Sick, Banner light curtains and safety controllers |
Integration, controls, and traceability
A modern assembly machine is also a data system. We design every AMD line to give your quality, engineering, and operations teams the records they need without bolt-on middleware.
- Per-part serialization — 2D barcode, DataMatrix, or RFID tied to every operation result
- Real-time SPC — X-bar/R and Cpk on critical force, torque, vision, and test parameters
- MES integration — OPC UA, MQTT, ODBC/SQL, or REST to Rockwell FactoryTalk, AVEVA, Ignition, SAP, and custom historians
- Recipe management — barcode-driven part-number recipes load every servo, torque, and threshold setpoint
- Audit-grade reporting — controlled-access exports and electronic batch records aligned to your quality system
Industries we serve
We build custom assembly machines for manufacturers across:
- Automotive — module, actuator, connector, and EV component lines
- Heavy equipment — valves, hydraulic assemblies, and powertrain components
- Electronics — sensor stacks, sealed enclosures, and PCB-level subassemblies
- Consumer products and appliances — multi-variant lines with frequent changeover
Why AMD Machines
We engineer the machine, not just integrate a robot. Mechanical, electrical, controls, vision, and fluid power are all under one roof, against the part on your bench and the takt on your floor.
- 30+ years of custom assembly automation and 2,500+ machines delivered
- One supplier for the servo press, robotic screwdriving, and functional test stations the line integrates
- In-house fixture and feeding engineering — including robotic cells and machine vision — designed against your actual parts, not just CAD
- FAT runoff at our facility using production components before the machine leaves the floor
Have a part print, a rate target, and a takt time? That is enough to start. Request a quote and we will scope the machine around your line.