Description
Hinges for aluminum profiles provide a simple mechanical pivot for doors, access panels, guards and other movable elements built from modular extrusion frames. The Vallder range includes three sizes — H-4040, H-4030 and H-3030 — selected according to the profile series being connected. Their external mounting format makes them practical for CNC machine enclosures, protective frames, workstations, service doors and general automation structures where a repeatable opening and closing movement is required.
For correct selection, match the hinge variant to the extrusion size and verify the mounting-hole position against your profile slot and chosen fasteners before assembly.
Dimensions and Model Selection
The table below lists the verified dimensions for each Vallder hinge variant. Dimensions are in millimetres.
| Model | H | L | L1 | H1 | D | Weight | SKU |
| H-4040 | 50 | 62 | 40 | 30 | 6.8 | 0.085 kg | 1129001 |
| H-4030 | 45 | 59.5 | 35 | 23.5 | 6.8 | 0.080 kg | 1129002 |
| H-3030 | 50 | 50 | 30 | 30 | 6.8 | 0.075 kg | 1129003 |
| All product data (pictures, dimensions, tables, drawings) are provided as received from the supplier; we exclude liability for their accuracy or completeness. | |||||||
Profile Compatibility
Select the hinge according to the nominal profile series used in the frame. The compatibility below is based on the existing Vallder product data for these three variants.
| Model | Recommended profile combinations | Typical use |
|---|---|---|
| H-4040 | 40×40, 40×80, 80×80 | 40-series frames, larger doors and access panels |
| H-4030 | 30×30, 40×40, 40×80, 80×80 | Mixed 30/40-series constructions and transition points |
| H-3030 | 30×30 | Compact 30-series frames and lightweight access panels |
All product data (pictures, dimensions, tables, drawings) are provided as received from the supplier; we exclude liability for their accuracy or completeness.
Key Features and Applications
- Profile-mounted pivot: Creates a simple hinged joint between a fixed frame section and a movable door, panel or profile assembly.
- Three size options: H-4040, H-4030 and H-3030 cover common 40-series, mixed 40/30-series and 30-series extrusion layouts.
- External installation: The hinge is mounted on the outer faces of the connected elements, allowing convenient inspection and replacement.
- Modular construction use: Suitable for machine frames, guarding, CNC enclosures, workstations, cabinets and other T-slot profile structures.
- Simple service access: Hinged panels can provide repeatable access to electronics, drives, tooling areas or machine-service zones.
Application:
Use these hinges for framed doors, movable guards, access hatches and hinged profile sections on CNC routers, automation cells, machine enclosures, assembly stations and general industrial framing.
Installation and Selection Notes
Aluminum-profile hinge systems are commonly used in modular framing because they allow doors and panels to be integrated directly into the frame structure. Comparable industrial profile systems from Bosch Rexroth and item use hinges for machine guards, doors, flaps and frame elements, reinforcing this application pattern.
- Choose by profile size: Use H-3030 for 30-series, H-4040 for 40-series, and H-4030 where the listed mixed-profile compatibility is required.
- Check hole alignment: Compare the hinge dimensions and 6.8 mm mounting holes with the chosen T-slot nuts, screws and profile-slot geometry before installation.
- Keep the hinge axis aligned: When two or more hinges are used on one door, align their pivot axes to prevent binding and uneven movement.
- Support the moving panel: During installation, hold the door or panel in its final position before tightening the hinge fasteners.
- Verify free movement: After tightening, open and close the assembly through its intended travel and check for interference with the frame, panel or accessories.
- Do not infer load capacity: Maximum permissible door or panel load depends on the full construction and is not specified in the available data for these Vallder hinge models.
H-4040 Hinge
The H-4040 variant is intended for 40-series profile constructions and is listed for 40×40, 40×80 and 80×80 combinations.
H-4030 Hinge
The H-4030 variant provides a mixed-size option for the listed 30-series and 40-series profile combinations.
H-3030 Hinge
The H-3030 variant is the dedicated option for 30×30 profile constructions.
Typical Frame Integration
The image below shows the hinge installed as part of an aluminum-profile frame assembly. Position the hinge so the moving element clears adjacent profiles and accessories throughout the required opening angle.
FAQ frequently asked questions
Which hinge should I choose for a 40×40 aluminum profile?
Use the H-4040 for a standard 40-series application. H-4030 is also listed as compatible with 40×40 where its mixed-series geometry is useful.
Which model is intended for 30×30 profiles?
The H-3030 is the dedicated 30×30 model. The H-4030 is additionally listed for 30×30 as part of its mixed 30/40-series compatibility.
Can these hinges be used for CNC machine doors?
Yes. Hinges of this type are suitable for access doors, guards and service panels built into modular aluminum-profile machine frames, provided the complete door load and mounting arrangement are appropriate.
Are the mounting screws and T-slot nuts included?
The available Vallder product data does not specify an included fastener set, so select suitable screws and T-slot nuts separately unless the order listing explicitly states otherwise.
What is the load capacity of each hinge?
A verified load rating is not available for these exact H-4040, H-4030 and H-3030 models. Do not select the hinge by assumed load capacity; evaluate the complete door or panel construction.
Why is hinge-axis alignment important?
If multiple hinges are installed with different pivot axes, the door can bind or place unnecessary stress on the fasteners and frame. Align the hinges before final tightening.