ZHONGHE Heavy Industry: Precision Custom Solutions for Global Leaders
Backed by over a decade of industry leadership, we engineer bespoke attachments for excavators from Sany, XCMG, Caterpillar, and other world famous brands. We deliver complete, application-optimized solutions tailored to your specific operating conditions and technical requirements.
Product Description
Excavator Telescopic Arm: Capabilities & Applications
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Extends operational reach within confined spaces where standard boom movement is restricted.
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Adjusts working radius and digging depth dynamically in complex or narrow environments.
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Key Benefit: Enables deep digging and high-reach tasks without repositioning the machine, minimizing site disruption.
ZHONGHE Telescopic Arm Quality Assurance
Production & Quality Focus
Lightweight Durability: High-strength steel plates minimize weight and excavator load.
Stable Cylinder Operation: Dual-slider design reduces vibration, supports the cylinder, and lowers failure rates.
Precision Machining: Post-welding, dual-sided boring ensures high concentricity, enhancing operational smoothness and lifespan.
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Essential for: Deep excavation (foundations, trenches), urban construction (roads, utilities), tunnels, marine works, bridge/culvert projects.
Precision Manufacturing Process: Strength Built on Quality
ZHONGHE's manufacturing prowess is the foundation of our product excellence. We implement a strictly controlled, lean production process:
1. Precision Design & Material Selection:
Professional structural design and stress analysis based on application requirements.
Strict sourcing of top-tier global steel (e.g., Hardox wear plate, BS700/Q690D/Q355B structural steel).
2. High-Precision Cutting & Forming:
CNC plasma/flame cutting ensures dimensional accuracy with minimal thermal distortion.
Large structural components are precision-formed using heavy-duty press brakes and plate rollers.
3. Advanced Welding Technology:
Operated by internationally certified senior welders.
Extensive use of high-strength processes like GMAW (Gas Metal Arc Welding).
Critical joints feature double-beveled groove preparation (45°) with gas-shielded welding.
Key structural areas utilize double-pass welding.
4. Precision Machining & Assembly:
Large double-sided floor boring mills ensure high concentricity (±1mm tolerance) for pivot booms, extending lifespan.
5. Triple-Check QC Protocol: Zero Tolerance for Defects:
Design Review: Rigorous approval of drawings and technical plans.
In-Process Verification: 100% inspection after each manufacturing stage, checking prior process outputs. Problems are halted before proceeding.
Final Inspection: Our independent QC Department performs comprehensive checks, including:
Weld quality.
Critical dimensional accuracy (CMM - Coordinate Measuring Machine, ±1mm tolerance control).
Hydraulic system pressure and seal integrity tests.
Functional tests (range of motion, limit switch protection).
Only products passing all three mandatory quality gates receive shipment authorization.
Company Profile
FAQ
Q1. Ordering Process
A1: Follow our streamlined 3-step workflow:
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Consultation: Provide excavator model, working conditions, special requirements, and deadline.
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Proposal: Receive customized technical solution within 24 hours.
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Quotation: Get formal pricing within 24 hours of proposal confirmation.
Q2. Telescopic Boom Length Definition
A2: Specified lengths (e.g., "14m") refer to maximum digging depth - not physical boom length. Actual boom length varies by model to achieve this depth capacity.
Q3. Boom Length Determination
A3: Length is engineered based on:
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