Fit for SK200-6 SK230-6

Fit for SK200-6 SK230-6

3 month ago

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Ningbo Hengnuo Hydraulic Drive Co.,Ltd

 3 year year

Product details

Feasibility Analysis: Foot-Operated Valve for Komatsu SK200-6 and SK230-6 Excavators

1. Core Compatibility Assessment

Afoot-operated valve(e.g., hydraulic or pneumatic control valve)can be adapted for SK200-6/SK230-6 excavators, butcustomization and rigorous testingare required to ensure compatibility with the excavator’s hydraulic system and operational requirements. Below is a structured analysis:

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2. Key Parameters for Compatibility

【表格】

Parameter Requirement for SK200-6/SK230-6 Foot-Operated Valve Specifications Compatibility

Flow Rate (L/min) 50–120 L/min (depending on attachment) 10–200 L/min (adjustable via orifice/spool) Compatible (adjustable range covers excavator needs)

Operating Pressure (bar) 250–350 bar (peak) Up to 350 bar (rated) Compatible

Response Time <0.5 sec (for precise control) 0.1–0.3 sec (direct-acting) Compatible

Mounting Interface Standard ISO 6162-1/2 ports Customizable ports (e.g., SAE, BSPP) Customizable

Control Method Foot pedal (manual actuation) Foot pedal (lever/spring-return) Compatible

Environmental Rating IP67 (dust/water resistance) IP65–IP67 (depending on model) Compatible

Duty Cycle Continuous operation (8–12 hrs/day) Industrial-grade (24/7 operation) Compatible

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3. Critical Considerations for Integration

A. Hydraulic System Matching

1. Flow Rate Adjustment

• SK200-6/SK230-6 typically require50–120 L/minfor auxiliary functions (e.g., swing, boom).

• Solution: Use avariable-orifice foot valveor aflow control moduleto match the excavator’s demand.

2. Pressure Rating

• The valve must withstand250–350 bar(system pressure).

• Verification: Confirm the valve’sburst pressure> 500 bar (safety factor ≥1.5).

B. Mechanical & Ergonomic Design

1. Pedal Force Requirement

• Operators must apply<50 Nof force for fatigue-free use.

• Design Tip: Use aspring-return mechanismwith low actuation force.

2. Mounting Flexibility

• The valve must fit in theoperator’s cabin floor(space-constrained).

• Solution: Opt for acompact, low-profile designwith adjustable mounting brackets.

C. Safety & Compliance

1. Emergency Shutoff

• Integrate afail-safe mechanism(e.g., spring-return to neutral position).

2. Certifications

• Ensure compliance withISO 12100 (safety)andISO 13849 (functional safety).

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4. Implementation Roadmap

Step 1: Requirement Gathering

• Provide the valve manufacturer with:

• Excavator hydraulic system specs (pressure, flow, fluid type).

• Cabin layout drawings (for mounting space verification).

Step 2: Prototyping & Testing

1. Flow & Pressure Testing

• Validate valve performance undersimulated excavator loads.

2. Operator Feedback

• Test pedal ergonomics with10–15 operatorsfor fatigue assessment.

Step 3: Field Trials

• Install prototypes on2–3 excavatorsfor100–200 hoursof real-world use.

• Monitor for:

• Leakage (visual inspection).

• Temperature rise (≤60°C under load).

• Wear on seals/spools.

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5. Risk Mitigation Strategies

【表格】

Risk Mitigation Plan

Incompatible Flow Rate Use a pressure-compensated valve or flow divider.

Pedal Fatigue Optimize pedal geometry (angle, travel distance).

Cabin Space Constraints Use a 90°-rotated valve body or remote mounting.

Hydraulic Fluid Contamination Install a 10-micron filter upstream of the valve.

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6. Final Recommendation

• Compatibility:Yes, but withcustomization(flow rate, mounting, pedal force).

• Priority Actions:

1. Finalize hydraulic system specs with the excavator OEM.

2. Develop a3D-printed prototypefor cabin fitment testing.

3. Conductoperator trialsbefore mass production.

Conclusion: A foot-operated valve can be adapted for SK200-6/SK230-6 excavators, butengineering collaborationwith the valve manufacturer is essential to meet performance, safety, and ergonomic standards.

(For detailed technical drawings or cost estimates, provide the excavator’s hydraulic circuit diagram and cabin dimensions.)