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Precision CNC Machined Industrial Rollers and Marine Flanges with Corrosion Resistance and High-Speed Material Removal

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Lillian@sande3.cn

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Precision CNC Machined Industrial Rollers and Marine Flanges with Corrosion Resistance and High-Speed Material Removal

MOQ:	1000 chiếc
Giá cả:	$0.5-2
bao bì tiêu chuẩn:	hộp gỗ
Thời gian giao hàng:	30 ngày
phương thức thanh toán:	D/A,D/P,T/T
Khả năng cung cấp:	10000 chiếc / tháng

Chi tiết Thông tin

Mô tả sản phẩm

Thông tin chi tiết

Nguồn gốc

Thanh Đảo, Trung Quốc

Hàng hiệu

Qingdao Sande Tech Co.,Ltd

Chứng nhận

ISO, DIN, AISI, ASTM, BS, JIS, etc.

Số mô hình

OEM

dung sai góc:

± 0,5 ° ~ ± 1 °

Phương tiện giao thông:

Đại dương

Vật liệu:

Thép, nhôm, đồng thau, titan, nhựa

Ứng dụng:

Thích hợp cho nhiều ngành công nghiệp khác nhau

Phương pháp sản xuất:

gia công cnc

Lớp phủ:

Anodizing, mạ, sơn, sơn tĩnh điện

Yêu cầu đóng gói:

HỘP GỖ

Giá trị:

tùy chỉnh

Mô tả sản phẩm

CNC Machining Of Large Industrial Rollers And Marine-Grade Flange Components

Precision CNC Machining Solutions

Our precision CNC machining solutions specialize in two high-demand product categories: Large Industrial Rollers and Marine-Grade Flange Components. These components are engineered for extreme operating environments, including steel manufacturing, paper production, offshore drilling platforms, and naval propulsion systems.

By combining state-of-the-art multi-axis CNC lathes, gantry mills, and on-site machining capabilities, we deliver products that meet stringent international standards for dimensional accuracy, material integrity, and corrosion resistance.

Our processes ensure that every roller achieves optimal dynamic balance and surface finish, while every flange provides pressure-tight sealing and long-term durability in saltwater or high-temperature conditions.

Large Industrial Rollers Specifications

Parameter	Specification
Max. Length	Up to 6,000 mm (20 ft)
Max. Diameter	Up to 11,000 mm (on-site machining)
Max. Weight Capacity	4,000 kg (8,800 lbs)
Materials	Forged steel, cast steel, hyper-eutectoid steel, bleached cast iron, hardened alloys
Roundness Tolerance	≤ 0.01 mm (10 µm)
Surface Roughness (Ra)	≤ 0.8 µm (mirror-finish capable)
Concentricity	Micro-tolerance with hydraulic steady rests
Hardness Range	HV 300+ for high-wear applications

Marine-Grade Flange Components Specifications

Parameter	Specification
Size Range	DN10 to 5,000 mm diameter
Standards	ASME B16.5 / B16.47, EN 1092-1, DNV GL, ABS
Materials	Stainless steel 316L / 304, Duplex 2205, Inconel 625 (N06625), bronze, titanium alloy
CNC Turning Accuracy	±0.005 mm for critical mating surfaces
Flatness Tolerance	≤ 0.1 mm/m (for gasket sealing)
Surface Finish (Ra)	1.6 - 3.2 µm for flange faces
Corrosion Protection	Epoxy / galvanic coatings with calibrated thickness

Product Advantages

For Large Industrial Rollers

Deflection-Free Machining: Hydraulic steady rests eliminate sagging during long-length turning, ensuring consistent roundness across the entire roller body.
High-Speed Material Removal: "Corn cob" and disc cutters increase roughing efficiency by 2x to 4x compared to conventional grooving tools.
Dynamic Balance Ready: Precision finishing minimizes runout, preventing vibration and product defects in high-speed production lines.
Wear-Resistant Surfaces: Hardened alloy options and coating applications extend service life in abrasive environments like steel rolling mills.

For Marine-Grade Flange Components

Corrosion Resistance: Certified duplex stainless steel and Inconel 625 provide superior chloride resistance for seawater systems.
Pressure-Tight Sealing: High-flatness flange faces (≤0.1 mm/m) and fine surface finishes ensure reliable gasket compression under extreme hydrostatic pressures.
Full Traceability: 100% material certification and NDT reporting (UT, LPI) meet DNV GL and ABS audit requirements.
Multi-Axis Complex Geometry: 5-axis CNC enables machining of irregular valve body flanges and deep bores in a single setup, reducing tolerance stack errors.

Shared Advantages

On-Site Machining Capability: Portable CNC units allow in-situ repairs and finishing of components up to 11 meters in diameter without disassembly.
ISO 9001:2015 Compliance: All processes validated with in-process probing and laser metrology.

Product Applications

Industry	Application Example	Recommended Product
Steel & Metal Production	Cold/hot rolling mills, backup rolls, work rolls	Large Industrial Rollers
Paper & Pulp	Calendar rolls, press rolls, drying cylinders	Large Industrial Rollers
Marine & Shipbuilding	Seawater cooling lines, bulkhead connections, stern tube flanges	Marine Flanges (DNV/ABS approved)
Offshore Energy	Deep-sea drilling risers, FPSO piping systems	Marine Flanges (Duplex / Inconel)
Naval Propulsion	Propeller shaft flanges, exhaust system flanges	High-temperature alloy flanges
General Industrial	Textile dyeing rolls, plastic film extrusion rollers	Custom CNC-machined rollers

Frequently Asked Questions

Q1: What is the maximum roller length you can machine in one setup?

A: Our largest CNC lathe can handle rollers up to 6,000 mm (20 ft) in a single setup. For longer assemblies or on-site applications, we offer portable machining solutions.

Q2: Do you provide marine classification society certification?

A: Yes. All marine-grade flanges can be supplied with DNV GL, ABS, or Lloyd's Register certification, including full material traceability and NDT reports (ultrasonic or liquid penetrant inspection).

Q3: Can you machine rollers made of hardened steel (HV 500+)?

A: Yes. We use CBN (cubic boron nitride) and ceramic tooling specifically for hardened alloys. Please provide your target hardness and wear layer depth for process optimization.

Q4: What is your typical lead time for custom flanges?

A: Standard lead time for non-standard marine flanges (DN50-DN600) is 3-4 weeks, including material sourcing and certification. Large diameters (up to 5,000 mm) may require 6-8 weeks.

Q5: Do you provide on-site machining for large rollers that cannot be transported?

A: Yes. Our portable CNC milling and turning units can be deployed to your facility. We have successfully machined rollers up to 11,000 mm in diameter directly on-site.

Q6: How do you ensure concentricity on very long rollers?

A: We employ hydraulic steady rests with automatic pressure adjustment along the roller length, combined in-process laser measurement feedback to maintain concentricity within 0.01 mm.

Q7: Which flange standard do you recommend for high-pressure seawater systems?

A: For high-pressure seawater, we recommend ASME B16.5 Class 1500 flanges in Duplex 2205 or Inconel 625, with a raised face finish (Ra 3.2 µm or better) and full penetration weld preparation.

Q8: What is the typical surface finish for a paper mill roller?

A: Paper mill rollers typically require Ra ≤ 0.8 µm to prevent paper marking. We can achieve mirror finishes upon request, followed by hard chrome or ceramic coating if specified.

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Các bộ phận đúc kẽm Zamak

Precision CNC Machined Industrial Rollers and Marine Flanges with Corrosion Resistance and High-Speed Material Removal

MOQ:	1000 chiếc
Giá cả:	$0.5-2
bao bì tiêu chuẩn:	hộp gỗ
Thời gian giao hàng:	30 ngày
phương thức thanh toán:	D/A,D/P,T/T
Khả năng cung cấp:	10000 chiếc / tháng

Thông tin chi tiết

Mô tả sản phẩm

Thông tin chi tiết

Nguồn gốc

Thanh Đảo, Trung Quốc

Hàng hiệu

Qingdao Sande Tech Co.,Ltd

Chứng nhận

ISO, DIN, AISI, ASTM, BS, JIS, etc.

Số mô hình

OEM

dung sai góc:

± 0,5 ° ~ ± 1 °

Phương tiện giao thông:

Đại dương

Vật liệu:

Thép, nhôm, đồng thau, titan, nhựa

Ứng dụng:

Thích hợp cho nhiều ngành công nghiệp khác nhau

Phương pháp sản xuất:

gia công cnc

Lớp phủ:

Anodizing, mạ, sơn, sơn tĩnh điện

Yêu cầu đóng gói:

HỘP GỖ

Giá trị:

tùy chỉnh

Số lượng đặt hàng tối thiểu:

1000 chiếc

Giá bán:

$0.5-2

chi tiết đóng gói:

hộp gỗ

Thời gian giao hàng:

30 ngày

Điều khoản thanh toán:

D/A,D/P,T/T

Khả năng cung cấp:

10000 chiếc / tháng

Mô tả sản phẩm

CNC Machining Of Large Industrial Rollers And Marine-Grade Flange Components

Precision CNC Machining Solutions

Large Industrial Rollers Specifications

Parameter	Specification
Max. Length	Up to 6,000 mm (20 ft)
Max. Diameter	Up to 11,000 mm (on-site machining)
Max. Weight Capacity	4,000 kg (8,800 lbs)
Materials	Forged steel, cast steel, hyper-eutectoid steel, bleached cast iron, hardened alloys
Roundness Tolerance	≤ 0.01 mm (10 µm)
Surface Roughness (Ra)	≤ 0.8 µm (mirror-finish capable)
Concentricity	Micro-tolerance with hydraulic steady rests
Hardness Range	HV 300+ for high-wear applications

Marine-Grade Flange Components Specifications

Parameter	Specification
Size Range	DN10 to 5,000 mm diameter
Standards	ASME B16.5 / B16.47, EN 1092-1, DNV GL, ABS
Materials	Stainless steel 316L / 304, Duplex 2205, Inconel 625 (N06625), bronze, titanium alloy
CNC Turning Accuracy	±0.005 mm for critical mating surfaces
Flatness Tolerance	≤ 0.1 mm/m (for gasket sealing)
Surface Finish (Ra)	1.6 - 3.2 µm for flange faces
Corrosion Protection	Epoxy / galvanic coatings with calibrated thickness

Product Advantages

For Large Industrial Rollers

Deflection-Free Machining: Hydraulic steady rests eliminate sagging during long-length turning, ensuring consistent roundness across the entire roller body.
High-Speed Material Removal: "Corn cob" and disc cutters increase roughing efficiency by 2x to 4x compared to conventional grooving tools.
Dynamic Balance Ready: Precision finishing minimizes runout, preventing vibration and product defects in high-speed production lines.
Wear-Resistant Surfaces: Hardened alloy options and coating applications extend service life in abrasive environments like steel rolling mills.

For Marine-Grade Flange Components

Corrosion Resistance: Certified duplex stainless steel and Inconel 625 provide superior chloride resistance for seawater systems.
Pressure-Tight Sealing: High-flatness flange faces (≤0.1 mm/m) and fine surface finishes ensure reliable gasket compression under extreme hydrostatic pressures.
Full Traceability: 100% material certification and NDT reporting (UT, LPI) meet DNV GL and ABS audit requirements.
Multi-Axis Complex Geometry: 5-axis CNC enables machining of irregular valve body flanges and deep bores in a single setup, reducing tolerance stack errors.

Shared Advantages

On-Site Machining Capability: Portable CNC units allow in-situ repairs and finishing of components up to 11 meters in diameter without disassembly.
ISO 9001:2015 Compliance: All processes validated with in-process probing and laser metrology.

Product Applications

Industry	Application Example	Recommended Product
Steel & Metal Production	Cold/hot rolling mills, backup rolls, work rolls	Large Industrial Rollers
Paper & Pulp	Calendar rolls, press rolls, drying cylinders	Large Industrial Rollers
Marine & Shipbuilding	Seawater cooling lines, bulkhead connections, stern tube flanges	Marine Flanges (DNV/ABS approved)
Offshore Energy	Deep-sea drilling risers, FPSO piping systems	Marine Flanges (Duplex / Inconel)
Naval Propulsion	Propeller shaft flanges, exhaust system flanges	High-temperature alloy flanges
General Industrial	Textile dyeing rolls, plastic film extrusion rollers	Custom CNC-machined rollers

Frequently Asked Questions

Q1: What is the maximum roller length you can machine in one setup?

A: Our largest CNC lathe can handle rollers up to 6,000 mm (20 ft) in a single setup. For longer assemblies or on-site applications, we offer portable machining solutions.

Q2: Do you provide marine classification society certification?

A: Yes. All marine-grade flanges can be supplied with DNV GL, ABS, or Lloyd's Register certification, including full material traceability and NDT reports (ultrasonic or liquid penetrant inspection).

Q3: Can you machine rollers made of hardened steel (HV 500+)?

A: Yes. We use CBN (cubic boron nitride) and ceramic tooling specifically for hardened alloys. Please provide your target hardness and wear layer depth for process optimization.

Q4: What is your typical lead time for custom flanges?

A: Standard lead time for non-standard marine flanges (DN50-DN600) is 3-4 weeks, including material sourcing and certification. Large diameters (up to 5,000 mm) may require 6-8 weeks.

Q5: Do you provide on-site machining for large rollers that cannot be transported?

A: Yes. Our portable CNC milling and turning units can be deployed to your facility. We have successfully machined rollers up to 11,000 mm in diameter directly on-site.

Q6: How do you ensure concentricity on very long rollers?

A: We employ hydraulic steady rests with automatic pressure adjustment along the roller length, combined in-process laser measurement feedback to maintain concentricity within 0.01 mm.

Q7: Which flange standard do you recommend for high-pressure seawater systems?

A: For high-pressure seawater, we recommend ASME B16.5 Class 1500 flanges in Duplex 2205 or Inconel 625, with a raised face finish (Ra 3.2 µm or better) and full penetration weld preparation.

Q8: What is the typical surface finish for a paper mill roller?

A: Paper mill rollers typically require Ra ≤ 0.8 µm to prevent paper marking. We can achieve mirror finishes upon request, followed by hard chrome or ceramic coating if specified.

Tags: