The steel pipe internal grinder is an automatic precision processing equipment for the inner wall of steel pipes. Its core functions include grinding, polishing, and deburring, which can remove rust, oxide scale and other impurities on the inner wall, improving the cleanliness and smoothness of the inner wall. It is suitable for various specifications of steel pipes, meets the precision requirements of different industries, lays a foundation for subsequent processes, and is widely used in petrochemical, engineering machinery and other fields.

Core Positioning and Advantages

Core Positioning: Automatic precision grinding, balancing flexible adaptation, safety and environmental protection, and improving product quality and production efficiency.

Precise and Controllable: Multi-grinding head linkage + servo drive, inner wall roughness Ra≤0.8μm, realizing integrated rough grinding, fine grinding and polishing;

Wide Adaptability: Adjustable grinding mechanism, suitable for φ50-φ630mm, 3-24m steel pipes, enabling quick switching between multiple specifications;

Efficient and Cost-Reducing: PLC intelligent control, with automatic feeding, feeding and other functions, efficiency increased by over 60% compared with manual work, single-shift output 200-1200 pieces;

Safe and Durable: Wear-resistant components + multiple safety protections + dust collection, ensuring safe and clean operation, complying with environmental protection standards;

Easy Operation: Touch screen operation, parameters storable and adjustable, modular design for easy maintenance.

Core Functional Modules

1. Core Grinding Module: 3-6 sets of floating grinding heads (grinding wheels optional), spindle speed 0-3000r/min and feeding speed 0.1-1m/min adjustable, grinding head automatic compensation, ensuring uniform and stable grinding;

2. Feeding and Conveying Module: Automatic feeding + frequency conversion roller table (IP54), precise centering, conveying speed linked with grinding, suitable for 3-24m steel pipes, load-bearing ≤2000kg;

3. Dust Collection Module: Pulse-type collection system, processing air volume 5000-12000m³/h, filtration efficiency ≥99.5%, meeting environmental protection standards;

4. Intelligent Control Module: PLC + touch screen, real-time monitoring of parameters, supporting storage of multiple sets of parameters; multiple safety protections, optional MES networking.

Key Technical Parameters

Application Scenarios

Petrochemical Industry: Derusting and polishing of inner walls of oil and gas casings and tubing, improving inner wall cleanliness, ensuring coating adhesion and transportation safety;

Engineering Machinery Industry: Precision polishing of inner walls of hydraulic oil pipes and cylinder barrels, reducing inner wall friction coefficient, improving the operation stability of hydraulic systems;

Municipal Pipeline Industry: Deburring and grinding of inner walls of water supply and drainage pipes and gas pipes, avoiding impurity accumulation and pipeline corrosion;

General Machinery Industry: Inner wall processing of various seamless steel pipes and welded pipes, meeting the inner wall precision requirements of precision machinery pipes.

Customization Solutions

Personalized customization services can be provided according to users' actual production needs, processing precision requirements and workshop layout. The core customization directions are as follows:

Specification Customization: For extra-large diameter (above φ630mm), extra-long length (above 24m) or micro-diameter (below φ50mm) steel pipes, customize exclusive grinding mechanism and spindle structure;

Precision Upgrade: For high-precision demand scenarios, upgrade grinding heads and drive systems to achieve ultra-precision polishing of Ra≤0.4μm;

Efficiency Improvement: For large-scale mass production needs, upgrade multi-station grinding structure to realize parallel processing of multiple steel pipes or synchronous processing of multiple processes for a single steel pipe, improving production capacity;

Intelligent Expansion: Add online inner wall detection system, automatic tool compensation device and intelligent material management module to realize real-time monitoring of processing quality and full-process intelligent management.