Solutions / Tooling & Positioners
Solutions — 03

Positioners,
Rails &
Tooling.

Custom positioners, rails, and fixture tooling designed as engineering components — not catalogue purchases. Precision that holds under production load, thermal stress, and repeated cycle fatigue.

Discuss Your Application ← Back to Solutions
AGR hydraulic fixture and servo positioner for heavy structural welding Tooling — Hydraulic fixture close-up, servo positioner, precision workholding, heavy steel part constraint
Why Tooling Is Not Secondary

The Fixture Is
Part of the Weld.

Weld quality in thick-section fabrication is as much a function of how the part is held as how it is welded. A fixture designed for nominal geometry, with insufficient thermal compensation, will produce inconsistent welds — regardless of robot path quality.

Engineering Fact 01
Distortion Starts at Clamping
The clamping sequence, clamping force distribution, and datum geometry all influence how distortion accumulates during welding. These decisions must be engineered — not assumed from standard practice.
Engineering Fact 02
Thermal Load Changes Precision
A fixture that holds position at room temperature may not hold under production thermal load. Bearing preload, hydraulic cylinder behaviour, and datum contact surfaces all change with temperature. This must be designed for.
Engineering Fact 03
Part Variation Requires Design Range
Fixtures designed for nominal part geometry fail under the actual fabrication tolerance range. The fixture must accommodate the real variation — not the drawing nominal.
Three Product Categories

Positioners. Rails.
Custom Tooling.

Category 01
Servo Positioners
Single-axis, dual-axis, and headstock/tailstock configurations. Coordinated servo motion with robot controller — not independent rotation. Load capacity from 500kg to 20,000kg. Custom flange interfaces for specific part geometries.
Category 02
Rail & Gantry Systems
Linear robot travel rails for parts that exceed robot reach without repositioning. Floor-mounted, elevated, or overhead configurations. Precision rack-and-pinion drive with servo control coordinated with robot path.
Category 03
Custom Fixture Tooling
Purpose-designed fixtures for specific part families. Hydraulic, pneumatic, or mechanical clamping. Quick-change systems for multi-variant production. Datum engineering for thermal stability and repeatability under production conditions.
Engineering Precision

Precision That Holds
Under Production Load.

Specifications are only meaningful when measured under the conditions that production actually imposes — thermal load, part weight, and repeated cycle stress.

±0.05mm Positioner repeat positioning accuracy
20,000kg Maximum positioner load capacity
30m+ Linear rail travel — standard configurations
Thermal Validated under production thermal cycle
Fixture Type Selection

Choosing the Right
Fixture Configuration.

Hydraulic Clamping
Appropriate when cycle time requires simultaneous clamping of multiple points, or when clamping force must be consistent and quantified. Requires hydraulic power unit. Used on high-volume cells and integrated lines.
Mechanical Clamping
Toggle clamps, screw clamps, and wedge systems. Lower cost and simpler maintenance. Appropriate when cycle time allows manual or semi-manual clamping, and when clamping force is lower.
Quick-Change
Modular base plates with locating pins and quick-release clamps. Required when multiple part types pass through the same cell and changeover time is a production constraint.
Datum Engineering
3-2-1 datum schemes or custom datum geometry derived from the part's critical reference features — not from convenient clamping points. Required for tight-tolerance applications and inspection-sensitive parts.
← Previous
Integrated Lines
←
↑ Back to
All Solutions
↑
Discuss Your Application

The Fixture Constraint
Comes First.

Many robotic welding system failures trace back to tooling — not robot capability. If the fixture or positioning system is the constraint, that is the right starting point for the assessment.

Request Technical Assessment

Useful to share in your enquiry:

  • Part weight and maximum dimensions
  • Required positioning axes and travel range
  • Datum and tolerance requirements
  • Thermal and cycle conditions
  • Number of part variants requiring the same fixture