Application NotesTechnical Documentation & Guides

Overview

AngleLock and T-slot are the two aluminum framing systems you'll see most on machine frames, workstations, and enclosures. T-slot uses extruded profiles with T-shaped channels and dedicated fasteners. AngleLock uses an angle-based connection instead, which is stiffer and assembles faster. Which one to spec comes down to load, appearance, and how many frames you're building.

Structural Rigidity

An AngleLock connection is a rigid, fixed joint that resists moment loads in every direction. A standard T-slot joint (T-nuts and bolts) can rotate under a moment load unless you add bracing:

• AngleLock: Rigid connection resists moment loads without bracing
• T-slot: Requires corner brackets, gussets, or bracing for rigidity
• AngleLock: Joint strength is consistent and predictable
• T-slot: Joint strength varies with fastener torque and T-nut engagement
• AngleLock: No loosening over time from vibration

Assembly Time and Cost

AngleLock frames go together faster because the connection self-aligns and self-squares, so you don't need measurement tools or alignment fixtures. T-slot means aligning every joint by hand and tightening several fasteners per connection. On a production run the faster build usually wins on total cost, even when the material costs a bit more.

Aesthetics and Cleanliness

AngleLock frames have smooth outer surfaces, with no exposed slots, channels, or fastener heads. That matters for customer-facing equipment and for cleanroom, food, and pharma work, where an open T-slot channel can trap contamination. You can cap T-slot channels with snap-in covers, but that adds cost and build time.

Typical Applications

• Machine frames and enclosures
• Cleanroom equipment structures
• Customer-facing workstations
• Vibration-sensitive equipment supports

Related Products

AngleLock Profile Series • Connection Hardware

Overview

Designing an AngleLock frame means picking the profile size, laying out the connections, and checking deflection against your accuracy limit. The rest of this note walks each step, from first requirements to the final check.

Profile Selection

AngleLock profiles are available in multiple cross-section sizes. Select based on the load-bearing requirements:

• 30×30mm: Light-duty frames, guards, and enclosures (up to 50 kg/m)
• 40×40mm: General-purpose machine frames (up to 150 kg/m)
• 45×45mm: Medium-duty frames and workstations (up to 250 kg/m)
• 60×60mm: Heavy-duty structures and bases (up to 500 kg/m)
• 80×80mm: High-load machine bases and gantries (up to 1000 kg/m)

Connection Layout Planning

Plan connections at every joint where members meet. AngleLock connections work at 90-degree intersections (butt joints, corner joints, and T-joints). For angled connections, use the adjustable angle connectors. Minimize cantilever lengths by adding support members where loads are applied. For tall structures, add lateral bracing to prevent sway.

Deflection Verification

Calculate beam deflection to ensure the frame meets accuracy requirements. For a simply supported beam with center load: δ = FL³/(48EI), where F is the load, L is the span, E is the elastic modulus (70 GPa for aluminum), and I is the moment of inertia from the profile datasheet. Keep deflection under L/1000 for general machine frames or L/5000 for precision applications.

Typical Applications

• Machine frame design
• Equipment enclosures
• Safety guarding
• Conveyor support structures

Related Products

All AngleLock profiles and connectors

Overview

A workstation built to the operator instead of to a catalog is more comfortable, safer, and gets more done. AngleLock suits custom stations because you build to exact dimensions, change the layout later when the job changes, and bolt on monitor arms, tool holders, and light arms as needed. This note applies the usual ergonomic rules to frame design.

Work Surface Height and Reach

The work surface height should match the task type:

• Precision work (electronics assembly): 36-40 inches (900-1000mm)
• Light assembly: 34-37 inches (850-950mm)
• Heavy assembly: 28-32 inches (700-800mm)
• Adjustable height: Use AngleLock with linear actuators for sit-stand capability
• Maximum forward reach: 16 inches (400mm) for frequent tasks

Accessories and Integration

AngleLock profiles accept standard accessories mounted via connector plates: monitor arms, task lighting, air/electrical outlets, tool balancers, and parts presentation shelves. Position frequently-used tools within the primary work zone (forearm reach) and reference materials in the secondary zone. Use angled presentation trays to minimize neck strain when reading work instructions.

Reconfigurability

AngleLock stations are easy to change later, which is the main reason to use the system here. When the product or process changes, you move shelves, reset heights, and add or pull accessories without taking the frame apart. The station carries across several product generations instead of getting scrapped, which is what a lean line wants.

Typical Applications

• Electronics assembly workstations
• Quality inspection stations
• Packaging and kitting stations
• Laboratory workbenches

Related Products

AngleLock profiles • Accessory mounting plates • Panel inserts