Laboratory Reducing Rolling Mill

Purchase the Laboratory Reducing Rolling Mill from GRM Rolling Mill to optimize your alloy prototyping. This single-stand system utilizes a 25-pass multi-groove roll configuration to achieve precise ±0.05 mm diameter reductions for copper, steel, and titanium alloys. Designed to eliminate frequent roll changes, this compact mill allows R&D labs to process input diameters up to Φ30 mm down to Φ1 mm outputs safely, minimizing material waste and cutting configuration down-time to zero during small-batch experimental trials.


Buy Laboratory Reducing Rolling Mill from China GRM Rolling Mill. You can source the Laboratory Reducing Rolling Mill from GRM Rolling Mill for high-precision, small-scale cross-sectional reduction. When sourcing specialized equipment for metallurgical research or trial production runs, traditional multi-stand industrial mills are too large, expensive, and difficult to clean between alloy batches. To address these specific operational constraints, this CE-certified Laboratory Reducing Rolling Mill consolidates an entire multi-pass reduction sequence into a singular, highly rigid mechanical frame.Structural Capabilities

Structural Capabilities

Instead of using multiple machines, the operator manually guides the wire rod through adjacent, sequentially smaller grooves cut into a single set of Φ160 mm tool-steel rolls. The Laboratory Reducing Rolling Mill applies precise micro-tension drawing forces, allowing researchers to evaluate material deformation characteristics, grain elongation, and surface quality changes using just a few kilograms of test material.

Product Parameter

The table below outlines the exact mechanical boundaries, processing capacities, and dimensions of the baseline single-stand Laboratory Reducing Rolling Mill profile. All data points reflect true physical limits tested under standard metallurgical lab conditions.

Technical Parameter Matrix

Engineering Parameter

Industrial Specification

Max. Input Material Diameter

Φ30 mm

Min. Required Input Length

200 mm

Finished Product Output Range

Φ1 mm to Φ9 mm

Work Roll Mechanical Size

Φ160 mm × 400 mm

Total Available Grooves

25 distinct passes on a single roll set

Finished Product Tolerance

±0.05 mm

Stepless Variable Speed Range

0.5 m/s to 3 m/s (fully adjustable)

Sectional Reduction Rate

3% to 15% per rolling pass

Resulting Surface Quality

Smooth, continuous, flat, wave-free, and crack-free

 

Material Applications & Compatibility

The Laboratory Reducing Rolling Mill is engineered to handle the distinct physical resistance properties of both common ductile metals and high-strength, brittle specialty alloys. It is widely used by laboratories to test the following materials:

• Copper Alloys: High-conductivity wire rods, oxygen-free copper, and electronic-grade brass profiles.

• Precious Metals: Industrial silver contacts and platinum-group alloy wires where material loss must be kept near zero.

• High-Strength Steels: Stainless steel wire stock and iron-based superalloys that exert high separating forces on the rolls.

• Refractory & Specialty Alloys: Titanium-based medical wire and aluminum-based structural alloys requiring precise monitoring of work-hardening thresholds.

 

Key Features & Mechanical Advantages

Integrated Multi-Groove Roll Layout

The roller body features 25 precision-machined grooves of decreasing diameters.  When an engineer needs to step down a titanium rod from Φ10 mm to Φ8 mm, they simply feed the material through the corresponding sequence of grooves on the same roll set. This design eliminates machine down-time caused by changing out heavy rolls.

Controlled Micro-Tension Reduction

By supporting an adjustable per-pass reduction rate between 3% and 15%, the Laboratory Reducing Rolling Mill prevents internal structural shearing. For example, when rolling work-hardening materials like stainless steel, setting a lower reduction rate (e.g., 5%) prevents surface cracking and keeps the grain structure uniform across the core of the wire.

Rigid Box-Frame Footprint

Built for small-scale spaces, the Laboratory Reducing Rolling Mill features a compact footprint that fits easily into standard testing labs. The upper and lower roll gaps are adjusted via a manual screw-down system with a clear, repeatable mechanical readout. This ensures operators can reset exact gap parameters across different testing batches with high accuracy.

 

Customization Options

To meet the precise research requirements of diverse international buyers, the mechanical and electronic control systems of the Laboratory Reducing Rolling Mill can be modified to fit specific workflows:

• Custom Grooving Profiles: Rolls can be custom-cut with non-round profiles, including square-to-round, oval-to-round, hexagonal, or flat configurations to analyze specific metal flow characteristics.

• PLC Automation Upgrades: The manual baseline system of the Laboratory Reducing Rolling Mill can be upgraded with a proprietary PLC touchscreen terminal. This addition provides real-time torque readouts, electronic gap adjustment, and automated roll-speed synchronization, improving rolling consistency by 30% to 40%.

• Thermal Integration Layouts: The entry guide area can be structurally modified to line up with induction pre-heating furnaces or protective inert-gas chambers, enabling controlled atmosphere warm-rolling and hot-rolling tests.

 

Frequently Asked Questions (FAQ)

How do operators prevent cross-contamination when changing between different alloy materials on the Laboratory Reducing Rolling Mill?

The 25-pass rolls are made from high-density, vacuum-heat-treated tool steel with a smooth, polished finish. Because the surface resists material adhesion, operators can quickly clean the rolls with standard industrial solvents between test batches, preventing cross-contamination when switching from copper to steel or precious silver alloys.

What happens if an alloy work-hardens too quickly during the reduction process?

If an experimental material shows rapid work-hardening during sequential passes, the operator can adjust the manual roll gap to apply a lower reduction rate (down to 3%) per pass. Alternatively, the material can be removed for intermediate annealing before finishing the remaining reduction passes on the mill.

Can the mill handle input lengths shorter than 200 mm?

The mechanical center-line and guide design of the Laboratory Reducing Rolling Mill require a minimum material length of 200 mm to ensure stable, safe feeding through the roll grooves. Feeding pieces shorter than 200 mm can cause the material to twist inside the groove, which can compromise surface quality and dimensional tolerances.

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