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The mechanical framework of the ZLG-30E-HL is designed for durability and precision, with targeted optimizations for critical components:
Feeding & Mandrel Components: The feeding device supports hollow tube lengths of 1.5～5m and feed lengths of 2～10mm, while the mandrel assembly ensures tight alignment of raw materials, minimizing tube eccentricity.
Hydraulic Chuck & Discharge Devices: The hydraulic chuck delivers strong clamping force to fix hollow tubes (outside diameter Φ22～58mm), preventing slippage during rolling. The discharge device enables smooth output of finished tubes (outside diameter φ15～42mm), reducing manual intervention.
Servo/DC Rotating Feeding Mechanism: Equipped with either servo or direct current drives, the rotating feeding mechanism allows a hollow tube rotation angle of 45-75° during feeding. This ensures uniform rolling and improves the surface finish of finished tubes.
Integrated Lubrication System: The system provides continuous lubrication to the roller carriage and main transmission mechanism, reducing wear on parts like the φ250mm rollers and 2000mm connecting rods. This extends the equipment’s service life by 30% compared to non-lubricated alternatives.
Key parameters of the ZLG-30E-HL highlight its industry-leading capabilities:
Tube Size Range: Hollow tubes (Φ22～58mm OD, 1.5～6mm wall thickness) are rolled into finished tubes (φ15～42mm OD, 1～5mm wall thickness), with a maximum finished tube length of ≤15m.
Rolling Force & Speed: It delivers a maximum nominal rolling force of 65t and a roller carriage stroke rate of 40～100 str./min, adapting to different material hardness (e.g., carbon steel vs. stainless steel).
Power & Transmission: A 55KW main motor and total transmission ratio of 9:1 ensure strong power output, while the crank-slider offset distance of 160mm optimizes rolling stability.
The ZLG-30E-HL excels in processing a wide range of materials, making it versatile for diverse industries:
Non-Ferrous & Precious Metals: Ideal for aluminum tubes (used in automotive heat exchangers) and rare precision alloys (for aerospace components).
Carbon Steel & Alloys: Processes carbon steel tubes (for construction scaffolding) and alloy steel tubes (for high-pressure pipelines), with adjustable rolling parameters to match material elongation ratios.
Automotive & Aerospace: Produces precision thin-wall tubes for automotive hydraulic systems and aerospace fuel lines, meeting strict dimensional tolerance requirements (±0.05mm).
Medical & Petrochemical: Manufactures stainless steel tubes for medical equipment (e.g., surgical instruments) and corrosion-resistant alloy tubes for petrochemical pipelines, complying with international quality standards.
Unlike multi-roller models, the ZLG-30E-HL’s 2-roller design balances precision and efficiency — it’s more compact (saving 20% floor space) while maintaining high tube accuracy. Backed by Yongteli’s 40 years of experience, it also offers better after-sales support, including free technical training for operators.
Key maintenance steps include: 1) Checking the lubrication system weekly to ensure oil levels meet standards; 2) Inspecting the φ250mm rollers monthly for wear (replace if surface scratches exceed 0.1mm); 3) Calibrating the electrical control system quarterly to maintain the 40～100 str./min stroke rate accuracy. Following these steps can extend the equipment’s service life to 8-10 years.
Yes. Yongteli offers customization for parameters like tube diameter (adjustable within φ15～42mm for finished tubes) and roller speed. For example, if a customer needs thinner-wall tubes (≤1mm), we can modify the mandrel assembly and rolling force settings to meet their needs. Customization lead time is typically 4-6 weeks, with no extra cost for minor parameter adjustments.
LG-30D-H
No. | Description | Unit | Tube Cold Rolling Machine Model | |
LG-30D-H | ||||
1 | Hollow size | Outside diameter | mm | Φ22～58 |
Wall thickness | mm | 1.5～6 | ||
Length | m | 1.5～5 | ||
2 | Tube size | Outside diameter | mm | φ15～42 |
Wall thickness | mm | 1～5 | ||
Length | m | ≤15 | ||
3 | Max. elongation ratio of rolling |
| It depends on the material | |
4 | Max. nominal rolling force | t | 65 | |
5 | Stroke rate of roller carriage | str./min. | 40～100 | |
6 | Stroke length of roller carriage | mm | 642 | |
7 | Length of hollow feed | mm | 2～10 | |
8 | Rotating angle of hollow during feed | Deg. | 45-75 | |
9 | Rotate-and-feed mechanism | Servos Or Direct current | ||
10 | Dia. of roller | mm | φ250 | |
11 | PCD of gear driving roller | mm | φ224,φ232 | |
12 | Length of connecting rod | mm | 2000 | |
13 | Radius of crank | mm | 320 | |
14 | Offset distance between crank and slider | mm | 160 | |
15 | Center height of hollow | mm | 750 | |
16 | Total transmission ratio |
| 9 | |
17 | Power of main motor | KW | 55 | |
The mechanical framework of the ZLG-30E-HL is designed for durability and precision, with targeted optimizations for critical components:
Feeding & Mandrel Components: The feeding device supports hollow tube lengths of 1.5～5m and feed lengths of 2～10mm, while the mandrel assembly ensures tight alignment of raw materials, minimizing tube eccentricity.
Hydraulic Chuck & Discharge Devices: The hydraulic chuck delivers strong clamping force to fix hollow tubes (outside diameter Φ22～58mm), preventing slippage during rolling. The discharge device enables smooth output of finished tubes (outside diameter φ15～42mm), reducing manual intervention.
Servo/DC Rotating Feeding Mechanism: Equipped with either servo or direct current drives, the rotating feeding mechanism allows a hollow tube rotation angle of 45-75° during feeding. This ensures uniform rolling and improves the surface finish of finished tubes.
Integrated Lubrication System: The system provides continuous lubrication to the roller carriage and main transmission mechanism, reducing wear on parts like the φ250mm rollers and 2000mm connecting rods. This extends the equipment’s service life by 30% compared to non-lubricated alternatives.
Key parameters of the ZLG-30E-HL highlight its industry-leading capabilities:
Tube Size Range: Hollow tubes (Φ22～58mm OD, 1.5～6mm wall thickness) are rolled into finished tubes (φ15～42mm OD, 1～5mm wall thickness), with a maximum finished tube length of ≤15m.
Rolling Force & Speed: It delivers a maximum nominal rolling force of 65t and a roller carriage stroke rate of 40～100 str./min, adapting to different material hardness (e.g., carbon steel vs. stainless steel).
Power & Transmission: A 55KW main motor and total transmission ratio of 9:1 ensure strong power output, while the crank-slider offset distance of 160mm optimizes rolling stability.
The ZLG-30E-HL excels in processing a wide range of materials, making it versatile for diverse industries:
Non-Ferrous & Precious Metals: Ideal for aluminum tubes (used in automotive heat exchangers) and rare precision alloys (for aerospace components).
Carbon Steel & Alloys: Processes carbon steel tubes (for construction scaffolding) and alloy steel tubes (for high-pressure pipelines), with adjustable rolling parameters to match material elongation ratios.
Automotive & Aerospace: Produces precision thin-wall tubes for automotive hydraulic systems and aerospace fuel lines, meeting strict dimensional tolerance requirements (±0.05mm).
Medical & Petrochemical: Manufactures stainless steel tubes for medical equipment (e.g., surgical instruments) and corrosion-resistant alloy tubes for petrochemical pipelines, complying with international quality standards.
Unlike multi-roller models, the ZLG-30E-HL’s 2-roller design balances precision and efficiency — it’s more compact (saving 20% floor space) while maintaining high tube accuracy. Backed by Yongteli’s 40 years of experience, it also offers better after-sales support, including free technical training for operators.
Key maintenance steps include: 1) Checking the lubrication system weekly to ensure oil levels meet standards; 2) Inspecting the φ250mm rollers monthly for wear (replace if surface scratches exceed 0.1mm); 3) Calibrating the electrical control system quarterly to maintain the 40～100 str./min stroke rate accuracy. Following these steps can extend the equipment’s service life to 8-10 years.
Yes. Yongteli offers customization for parameters like tube diameter (adjustable within φ15～42mm for finished tubes) and roller speed. For example, if a customer needs thinner-wall tubes (≤1mm), we can modify the mandrel assembly and rolling force settings to meet their needs. Customization lead time is typically 4-6 weeks, with no extra cost for minor parameter adjustments.
LG-30D-H
No. | Description | Unit | Tube Cold Rolling Machine Model | |
LG-30D-H | ||||
1 | Hollow size | Outside diameter | mm | Φ22～58 |
Wall thickness | mm | 1.5～6 | ||
Length | m | 1.5～5 | ||
2 | Tube size | Outside diameter | mm | φ15～42 |
Wall thickness | mm | 1～5 | ||
Length | m | ≤15 | ||
3 | Max. elongation ratio of rolling |
| It depends on the material | |
4 | Max. nominal rolling force | t | 65 | |
5 | Stroke rate of roller carriage | str./min. | 40～100 | |
6 | Stroke length of roller carriage | mm | 642 | |
7 | Length of hollow feed | mm | 2～10 | |
8 | Rotating angle of hollow during feed | Deg. | 45-75 | |
9 | Rotate-and-feed mechanism | Servos Or Direct current | ||
10 | Dia. of roller | mm | φ250 | |
11 | PCD of gear driving roller | mm | φ224,φ232 | |
12 | Length of connecting rod | mm | 2000 | |
13 | Radius of crank | mm | 320 | |
14 | Offset distance between crank and slider | mm | 160 | |
15 | Center height of hollow | mm | 750 | |
16 | Total transmission ratio |
| 9 | |
17 | Power of main motor | KW | 55 | |
