CNC Structural Supports

Core Advantages

Continuous Load-Bearing Sections
An integral machined body provides a continuous section between the support face and mounting base. Where a raised module loads the support away from its base, this avoids a welded joint at the transition and retains the load-bearing geometry specified for that section.

Defined Bearing Shoulders
Stepped bearing bases provide a physical shoulder for locating an adjoining housing or support element. Under axial assembly loads, the shoulder supplies a defined stop instead of asking clearance bolts alone to establish the component's end position.

Machined Upright Datums
Base and upright faces are machined to the drawing's perpendicular relationship. When a vertical member carries a rail or fixture above the mounting plane, controlled squareness limits the angular contribution of the support to the final assembly alignment.

Customization Capabilities

Supports are machined from approved drawings or physical samples. The mounting orientation and loaded interfaces establish the machining references, with roughing followed by finish milling of the working faces and completion of the specified fastening features.

Customizable Items

Material: 7075 aluminum, quenched-and-tempered 45# carbon steel or 304 stainless steel
Body thickness: 5–30 mm
Base footprint and support height
Step heights and bearing-seat geometry
Mounting-hole patterns and counterbores
Thread specification and depth
Chamfers and edge transitions

Specification Parameters

Parameter Item	Standard Specification Range
Common Structures	Square support bases, vertical load-bearing brackets, frame support blocks, stepped bearing bases
Benchmark Plane Perpendicularity	≤±0.02mm
Plate Thickness	5mm–30mm customizable thickened design
Applicable Materials	7075 aluminum alloy, 45# quenched and tempered carbon steel, 304 stainless steel
Integrated Procedures	Molding, multi-hole tapping, counterboring and chamfering completed simultaneously

Quality Control

Incoming inspection verifies the material grade and condition, including the specified heat-treated condition where applicable. Stock hardness and appearance are checked before the support is released for machining.
First-article inspection establishes the base datum and measures upright orientation, seat levels and mounting locations. Process sampling checks these relationships after tool changes or reclamping, so a shift in the machining setup is identified during production.
Every completed support is checked for key dimensions and surface defects before packing. Results are recorded against the drawing revision, and the finished lot is available for third-party inspection before dispatch.