Adjustable Slotting Machine

Adjustable Slotting Machine

The Adjustable Slotting Machine is engineered for high-precision internal machining of keyways, splines, blind slots, and polygonal profiles. Built with a heavy-ribbed Meehanite cast iron frame, it delivers exceptional structural rigidity and vibration dampening during heavy intermittent cuts. Designed for machine shops, gear manufacturers, and component production lines, this machine provides accurate stroke adjustment, reliable mechanical feed systems, and consistent repeatability for demanding industrial workloads.

Description

The Adjustable Slotting Machine is engineered for high-precision internal machining of keyways, splines, blind slots, and polygonal profiles. Built with a heavy-ribbed Meehanite cast iron frame, it delivers exceptional structural rigidity and vibration dampening during heavy intermittent cuts. Designed for machine shops, gear manufacturers, and component production lines, this machine provides accurate stroke adjustment, reliable mechanical feed systems, and consistent repeatability for demanding industrial workloads.


Core Function: Internal keyway and slot cutting


Standard Workpiece Material: Alloy steel, cast iron, bronze, aluminum alloys


Manufacturing Provenance: Produced in-house via CNC floor boring, precision grinding, and strict laser alignment testing

 

Technical Specifications

 

Model Parameter

Standard Specification Range

Max. Slotting Length (Stroke)

200 mm - 500 mm

Slotting Width Range

3 mm - 50 mm (tool dependent)

Table Diameter / Size

400 mm - 800 mm (Rotary)

Table Longitudinal Travel

320 mm - 650 mm

Table Cross Travel

300 mm - 600 mm

Ram Strokes Per Minute

25 - 70 SPM (Variable via gearbox/inverter)

Main Motor Power

3 kW - 7.5 kW

Max. Workpiece Weight

300 kg - 1,000 kg

Machine Net Weight

1,800 kg - 4,200 kg

 

Key Features

01/

Rigid Ram & Guideways: Hardened and precision-ground alloy steel ram operating on hand-scraped box guideways to minimize deflection and maintain straightness under heavy loads.

02/

Adjustable Stroke Mechanism: Rapid external adjustment of stroke length and vertical position without dismantling internal linkages, reducing setup time between batches.events ink splashing, maintains consistent viscosity, and reduces solvent evaporation during high-speed runs.

03/

Rotary Table Integration: Built-in high-precision indexing rotary table with 360-degree graduation and vernier scale for multi-spline and angular slot machining.

04/

Automatic Lubrication System: Interlocked centralized oil pump delivers continuous lubrication to guideways, lead screws, and gearboxes, preventing premature wear.

05/

Overload Protection: Integrated shear pin or electronic torque limiter protects the drive mechanism and cutting tool during sudden tool engagement or hard spots in material.

 

Applications

 

Gear & Transmission Manufacturing: Cutting internal keyways and splines in spur gears, helical gears, timing pulleys, and sprockets.


Automotive Drivetrain: Machining internal driving profiles for steering components, gearbox hubs, and universal joints.


General Engineering & Maintenance: Producing custom slots, blind keyways, and internal cams for industrial pumps, compressors, and heavy machinery repair.

 

Configuration & Customization

Drive Options:

Standard mechanical gearbox drive or stepless inverter-controlled variable speed drive.

Tooling Accessories:

Quick-change tool holders, slotting bars of various diameters, and specialized form-cutting tools.

Workholding:

Standard T-slot rotary table or customized hydraulic clamping fixtures for high-volume production cells.

Control Upgrade:

Optional digital readout (DRO) for table coordinates or CNC-assisted indexing axis integration.

 

Quality Control & Manufacturing Capabilities

 

Our machines are built in a dedicated 15,000 m2 heavy machinery production facility equipped with floor-type CNC boring and milling centers, large-scale annealing furnaces, and high-precision cylindrical grinders.


Cast Iron Treatment: All castings undergo stress-relief annealing prior to machining to eliminate internal stresses and ensure long-term dimensional stability.


Geometric Inspection: Alignment accuracy, ram squareness, and table parallelism are verified using laser interferometers and electronic level test bars in accordance with international ISO machine tool standards.


Run-in Testing: Every machine undergoes a strict 72-hour continuous no-load and loaded test cycle before factory release to monitor thermal stability, noise levels, and vibration thresholds.

 

Installation & Technical Support

Documentation:

Comprehensive English technical manuals including electrical schematics, hydraulic diagrams, foundation layout drawings, and spare parts lists supplied with every unit.

Commissioning Support

CDetailed pre-installation checklists provided. Remote video technical guidance or on-site engineer dispatch available for installation, leveling, and initial test cutting.

Spare Parts Availability:

Critical wear components (seals, drive belts, standard bearings, and pumps) stocked locally or dispatched via express air freight from our manufacturing warehouse.

 

Frequently Asked Questions

 

Q: What is the maximum hardness of the workpiece material this machine can process?

A: The standard machine handles workpieces up to HRC 35 pre-hardened condition. For materials exceeding HRC 35, rigid carbide tooling and optimized cutting speeds are required. Consult our engineers with your specific material grade.

Q: How is the cutting stroke adjusted on the machine?

A: The stroke position and length are adjusted externally via a hand crank mechanism connected to the eccentric disc and connecting rod assembly, allowing operators to set the exact stroke window in minutes without opening the column housing.

Q: Can this machine cut blind internal slots (where the slot stops before the end of the bore)?

A: Yes. The machine features an adjustable automatic stop mechanism that halts the ram stroke at a precise depth, making it suitable for blind keyways and internal pockets with clearance reliefs.

Q: What is your standard delivery lead time for standard models?

A: Standard models in popular specifications are typically ready for shipment within 30 to 45 days. Customized configurations or specialized voltage requirements require 60 to 75 days.

Q: What power supply and electrical standards do your machines comply with?

A: Machines are built to standard 3-phase industrial power requirements (e.g., 380V/50Hz or 440V/60Hz) using international electrical components (Schneider/Siemens). Custom voltage transformers can be integrated upon request.

Q: What warranty coverage is included with the equipment?

A: We provide a 12-month standard warranty covering all non-consumable mechanical and electrical parts against manufacturing defects, backed by lifetime remote technical support.

 

Request a Quote

 

To receive a precise quotation tailored to your production requirements, please provide the following details in your inquiry:
1.Workpiece material type and hardness
2.Maximum keyway/slot width and depth required
3.Batch size (prototype, small batch, or high-volume production)
4.Destination port or delivery zip code
Submit Technical Inquiry / Request Formal Quotation

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