Application Scenarios of Pipe End Forming Machines

I. Automotive Manufacturing Industry (The Most Core and Segmented Application Scenario)

1. Fluid Transmission Systems

• Brake Systems: 45° bell-mouth forming of brake hard pipe/hose connectors (adapting to double nuts to ensure no leakage of high-pressure brake fluid), and stepped necking of ABS system oil pipes;

• Fuel/New Energy Systems: Stepped necking of fuel pipes (matching fuel pump interfaces), tapered necking + mirror polishing of hydrogen pipes for hydrogen fuel cell vehicles (leakage rate < 1×10⁻⁹ Pa·m³/s), and inward curling sealing of high-voltage harness protection pipes for new energy vehicles;

• Cooling/Air Conditioning Systems: Pagoda-shaped flaring of radiator inlet/outlet water pipes (adapting to rubber hoses), and cup-shaped flaring of air conditioning refrigerant pipes (preventing leakage of R134a/R1234yf).

2. Structural and Chassis Systems

• Chassis Components: Flattening + punching of control arm sleeves, flaring and flanging of subframe connecting pipes (enhancing welding strength), and end knurling + necking of transverse stabilizer bars;

• Body Structures: Gradual necking of door anti-collision beams (absorbing collision energy), and sealing + rib pressing of sill beam sleeves (improving buckling resistance).

3. Interior and Auxiliary Systems

• Seat Components: Grooving + necking of slide rail sleeves (adapting to locking pins), and bending + end flattening of armrest frame pipes;

• Steering Systems: Flaring + ferrule groove forming of power steering oil pipes (ensuring stable transmission of steering assist oil).

II. Construction Machinery and Heavy Equipment Industry

• Hydraulic Systems: Flaring + threading of hydraulic pipe connectors (thick-walled seamless steel pipes with a wall thickness of 3-10mm) for excavators and loaders, ensuring no leakage of high-pressure hydraulic oil (pressure 20-40MPa);

• Structural Components: Necking of crane boom sleeves (enabling telescoping of multi-section booms), and flanging + punching of bulldozer track frame connecting pipes (enhancing structural rigidity);

• Fuel/Lubrication Systems: Stepped necking of oil inlet pipes and lubricating oil pipes of diesel engines, adapting to interfaces of filters, oil pumps, and other components.

III. HVACR (Heating, Ventilation, Air Conditioning, and Refrigeration) Industry

• Air Conditioning Systems: Flaring (bell mouth/cup mouth) of copper connecting pipes for evaporators and condensers of household/commercial air conditioners, achieving refrigerant sealing through nut locking;

• Refrigeration Equipment: Necking of capillary tubes for refrigerators and freezers (controlling refrigerant flow), and chamfering + straight-end forming of condenser tubes (facilitating welding and assembly);

• HVAC Systems: Stepped flaring of connecting aluminum pipes for floor heating manifolds, and flanging of central air conditioning water system pipes (adapting to flange connections).

IV. New Energy and Electric Power Industry

1. New Energy Power Generation

• Photovoltaic/Wind Power: Flaring + seal groove forming of cooling water pipes (aluminum alloy pipes) for inverters, and necking of lubricating oil pipes for wind turbine gearboxes;

• Energy Storage Systems: Multi-section necking + quick connector adaptation forming of liquid cooling pipelines (thin-walled stainless steel pipes) for energy storage battery packs.

2. Electric Power Equipment

• Transformers: Chamfering + flaring of cooling oil pipes (ensuring smooth circulation of insulating oil);

• High-Voltage Switchgear: Tapered necking + mirror polishing of insulating gas (SF₆) pipelines (avoiding gas leakage affecting insulation performance).

V. Petroleum, Chemical, and Natural Gas Industry

• Oil and Gas Extraction: Thread forming of oil well casings (achieving wellbore sealing with sealing grease), and necking of high-pressure oil pipe connectors for Christmas trees;

• Chemical Pipelines: Flanging + flange forming of acid-alkali transmission pipelines (316L stainless steel pipes) in chemical plants, achieving sealing through bolted connections;

• Natural Gas Transmission: Flaring of PE/steel pipes for urban gas networks (facilitating socket connection), and tapered necking of low-temperature liquid delivery pipes (stainless steel) for LNG storage tanks.

VI. Medical Device Industry

• Infusion/Transfusion Equipment: Necking of stainless steel connectors for infusion sets and blood transfusion sets (connecting catheters and needles to ensure clean and pollution-free medicinal liquids);

• Medical Gas Systems: Flaring + threading of pipelines (thin-walled copper pipes) for operating room oxygen supply and negative pressure suction, adapting to gas terminal interfaces;

• Diagnostic Equipment: Precision necking of cooling system pipelines (titanium alloy pipes) for CT and MRI, with an error ≤ ±0.02mm to ensure accurate transmission of cooling liquid.

VII. Furniture and Fitness Equipment Industry

• Furniture Industry: Necking of gas rod sleeves for office chairs, flattening + punching of support leg pipes for dining tables/shelves (facilitating screw fixing), and bending + end sealing of sofa armrests;

• Fitness Equipment: Necking of bracket pipes for treadmills (enabling adjustable height), end knurling + threading of dumbbell bars (adapting to dumbbell plates), and flanging of frame pipes for spinning bikes (enhancing welding strength).

VIII. Marine and Offshore Engineering Industry

• Marine Power Systems: Flanging + flange forming of exhaust pipes (thick-walled stainless steel pipes) for diesel engines (adapting to mufflers), and stepped necking of fuel transmission pipes;

• Hydraulic and Control Systems: Flaring of hydraulic pipe connectors for ship steering gears, and threading of lubricating oil pipes for windlasses;

• Offshore Engineering: Flaring + seal groove forming of seawater cooling pipes (corrosion-resistant alloy steel) for offshore platforms, and threading of oil and gas transmission risers.

Summary: Core Commonality and Differences of Pipe End Forming Machine Application Scenarios