What is the maximum load capacity of the 100mm wedge pair?

The maximum load capacity is 5 tons (approximately 49 kN) per pair when used with full contact between the wedges. This rating is based on static load testing with a safety factor of 2. For dynamic or vibrating loads, we recommend derating to 3 tons. The load capacity assumes the wedges are placed on a flat, rigid surface and the load is evenly distributed. Exceeding the rated capacity may cause permanent deformation or failure.

How do I install and adjust the wedge pair for precise leveling?

First, place the lower wedge on the foundation and the upper wedge on top, ensuring the tapers face each other. Position the pair under the machine foot and insert the adjustment bolt through the slots. Turn the bolt to slide the upper wedge along the lower wedge, raising or lowering the machine. Use a precision level or dial indicator to monitor height, with each full turn of the bolt (assuming 1.5mm pitch) providing approximately 0.13mm height change due to the 5° taper. Once desired height is reached, tighten the locking nut to secure the wedges.

What maintenance is required for the wedge pair?

Regular maintenance includes cleaning the wedge surfaces to remove dirt and debris, and applying a thin film of machine oil to prevent corrosion. Inspect the taper surfaces for wear or galling every 500 hours of operation. If wear exceeds 0.05mm, replace the pair. Check the locking nut torque periodically (recommended 20 Nm) to ensure the wedges remain secure. In corrosive environments, reapply a rust-preventive coating every 6 months. The black oxide finish should be touched up if scratched to maintain corrosion resistance.

Can the wedge pair be used in high-temperature applications?

The standard wedge pair is suitable for operating temperatures up to 150°C. Beyond this, the steel may experience tempering and loss of hardness, reducing load capacity. For higher temperatures, consider our special high-temp version with a different heat treatment. Also, the black oxide finish may degrade above 200°C. Ensure the application temperature does not exceed the recommended limit to maintain performance and safety.

Wedge Pair

Precision 100mm Wedge Pair for Accurate Leveling and Alignment

The Wedge Pair consists of two matched 100mm long, 20mm wide, and 10mm high steel wedges with a 5° taper, designed for precise leveling and alignment of machinery and equipment. Manufactured from 45# steel with a black oxide finish, these wedges offer a hardness of HRC 45-50 and a load capacity of 5 tons per pair.

Height

10mm

Taper Angle

5°

Material

45# Steel

Surface Treatment

Black Oxide

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How Does the 100mm Wedge Pair Ensure Precision Leveling in Industrial Applications?

The 100mm Wedge Pair is a precision leveling tool engineered for accurate alignment of heavy machinery. Each wedge measures 100mm in length, 20mm in width, and 10mm in height, with a 5° taper that allows for fine height adjustments. Made from 45# steel and heat-treated to HRC 45-50, these wedges resist wear and deformation under loads up to 5 tons per pair. The black oxide surface treatment provides corrosion resistance, making them suitable for harsh industrial environments. The pair is designed to work together, with one wedge sliding against the other to create a precise, lockable height adjustment.

Typical applications include leveling of CNC machine tools, injection molding machines, and printing presses, where even minor misalignments can cause vibration, reduced accuracy, and premature wear. The wedge pair solves these pain points by offering a simple, mechanical solution for fine-tuning equipment height without the need for shims or complex adjustment mechanisms. In maintenance operations, the wedges enable quick realignment after relocation or foundation settling, minimizing downtime and ensuring consistent product quality.

Compared to other leveling methods such as shim stacks or adjustable feet, the 100mm wedge pair provides a more stable and repeatable adjustment. The 5° taper offers a mechanical advantage, allowing precise height control with a resolution of 0.1mm, while the matched pair ensures uniform contact and load distribution. Unlike generic wedges, this pair is specifically sized for standard machine mounting holes and is compatible with common anchor bolts. The compact dimensions make it suitable for applications with limited space, and the steel construction ensures long-term durability under dynamic loads.

Load capacity of 5 tons per pair, verified through static load testing.
Hardness of HRC 45-50 for resistance to indentation and wear.
Black oxide finish meeting ASTM B633 for corrosion resistance.

Core Technical Features and Quantified Advantages

STEP 1

5° Taper Angle for 0.1mm Adjustment Resolution

The 5° taper provides a mechanical advantage that allows precise height adjustment with a resolution of 0.1mm per 1mm of wedge travel. This enables fine leveling of machinery to within ±0.05mm, meeting the alignment tolerances required for precision machine tools. The taper is machined to ±0.1° accuracy, ensuring consistent performance across the pair.

STEP 2

45# Steel Construction with HRC 45-50 Hardness

Made from 45# carbon steel and heat-treated to HRC 45-50, the wedges resist deformation under loads up to 5 tons per pair. The material offers a tensile strength of 600 MPa and yield strength of 355 MPa, providing reliable support for heavy equipment. The hardness ensures the wedge surfaces maintain their flatness and taper angle after repeated use.

STEP 3

Black Oxide Finish for Corrosion Resistance

The black oxide surface treatment conforms to ASTM B633 and provides a corrosion resistance of up to 96 hours in salt spray testing (ASTM B117). This finish also reduces friction between the wedges, allowing smooth adjustment and preventing galling. The dark color aids in visual inspection of surface wear.

STEP 4

Matched Pair for Uniform Load Distribution

Each pair is matched to ensure identical taper angles and dimensions, with a tolerance of ±0.02mm on thickness. This matching guarantees uniform contact and load distribution across the wedge surfaces, preventing point loading and premature failure. The pair is serialized for traceability and comes with a calibration certificate.