Backup Ring-manufacture,factory,supplier from China

(Total 24 Products for Backup Ring)
Adapter Coupling DetailMaterial:30CrNiMo8、36CrNiMo4、42CrMo4、45#Applications:Couplings belong to the category of general mechanical parts and are used to connect two shafts in different mechanisms (drive shaft and driven shaft) to rotate together to transfer torque Max Capability:1000pcs /yearAdapter Coupling Order Processing Adapter Coupling Packing and shippingThe shipping of the Adapter CouplingBy container vesselBy bulk cargo ship     Our CompanyShandong Laiduan Machinery Co., Ltd.
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Aluminum Die Casting Die Steel DetailsMaterial:H11、H13;8407、8418;SKD61,DAC,DH-31,1.2344,W302Aluminum Die Casting Die Steel Applications:Used for automobile, motorcycle engine and various auto parts aluminum die casting moldMax Capability:2000tons /year,Max diameter:φ900mmMax forging weight:10tons Aluminum Die Casting Die SteelOrder ProcessingAluminum Die Casting Die Steel Packing and shippingThe shipping of the Aluminum Die Casting Die SteelBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Hot-work Die Steel DetailsMaterial:5CrNiMoHot-work Die Steel Applications:Suitable for manufacturing all kinds of complex shapes, large impact load, working temperature is not too high, side length >400mm large and medium-sized hammer forging die and edge cutting dieMax Capability:2000tons /year,Max diameter:φ900mmMax forging weight:10tons  H13 die steel Order ProcessingH13 die steel Packing and shippingThe shipping of the Aluminum Die Casting Die SteelBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsProduct:   Forged Roll Sleeve detailsMaterial:32Cr3Mo1V (ESR)Applications:After assembly with the roll core, it is assembled to the aluminum foil mill for use.  Forged Roll Sleeve Order ProcessingPacking and shippingThe shipping of the Forged Roll SleeveBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Product DetailsProduct:   Piercing mill roll detailsMaterial:AISI4340、ISO 36CrNiMo4、UNS1566、ISO FDCApplications:Rolling steel pipes of various materials.  Piercing mill roll Order ProcessingPacking and shippingThe shipping of the Piercing mill rollBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Details of Intermediate RollProduct:   Forming Roll uses for Welding Tube MillMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Forming Roll uses for Welding Tube Mill Order ProcessingPacking and shippingThe shipping of the forming Roll uses for Welding Tube MillBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsProduct:   Roll Sleeve for Aluminum Foil Mill detailsMaterial:32Cr3Mo1V (ESR)Applications:After assembly with the roll core, it is assembled to the aluminum foil mill for use.  Roll Sleeve for Aluminum Foil Mill Order ProcessingPacking and shippingThe shipping of the Roll Sleeve for Aluminum Foil MillBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Product DetailsProduct:   Piercer Roll for Seamless Tube Mill detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Forming Roll for Welding Tube-Mill Order ProcessingPacking and shippingThe shipping of the Forming Roll for Welding Tube-MillBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsProduct:    Support roll for cold rolling mill detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Support roll for cold rolling mill Order ProcessingPacking and shippingThe shipping of the Support roll for cold rolling millBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsCold rolling support roll detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Cold rolling support roll Order ProcessingPacking and shippingThe shipping of the Cold rolling support rollBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsForged support roll of cold rolling mill detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Forged support roll for cold rolling mill Order ProcessingPacking and shippingThe shipping of the Forged support roll for cold rolling millBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsCold milling itermediate roll detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Cold milling itermediate roll Order ProcessingPacking and shippingThe shipping of the Cold milling itermediate rollBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Product DetailsChrome 4 forged support roll for cold rolling mill detailsMaterial:9Cr3Mo (ESR), 9Cr5Mo (ESR), 70Cr3Mo (ESR)Applications:Used for general carbon steel cold rolling equipment, precision stainless steel cold rolling equipment, new energy lithium industry, aluminum foil, copper foil and other rolling equipment.  Chrome 4 forged support roll for cold rolling mill Order ProcessingPacking and shippingThe shipping of the Chrome 4 forged support roll for cold rolling millBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machiner
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Product DetailsMaterial:H13、1.2344、SKD61、4Cr5MoSiV1Applications:Extrusion die for industrial aluminum profilesMax Capability:2000tons /year,Max diameter:φ900mmMax forging weight:10tons  Order ProcessingPacking and shippingThe shipping of the aluminium extrusion die steel(H13)By container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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High end aluminum extrusion die steel DetailsMaterial:H13、1.2344、SKD61、4Cr5MoSiV1Applications:High-end extrusion die for industrial aluminum profileMax Capability:2000tons /year,Max diameter:φ900mmMax forging weight:10tons  High end aluminum extrusion die steel Order ProcessingHigh end aluminum extrusion die steel Packing and shippingThe shipping of the High end aluminum extrusion die steelBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd.
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Oil Film BearingMaterial:AIS4145  、ISO:42CrMo4、Applications:Cold rolled strip mill, medium and thick plate mill, hot rolled strip mill, steam turbine, generator set, ball mill, fan bearing, bearing for astronomy, aviation and aerospace equipment.Packing and shipping:The shipping of the Pipe MoldBy container vesselBy bulk cargo shipCustomer Visit:Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Large hollow forgings DetailsMaterial:42CrMo4、AISI4130、AISI4135、13CrMo4-5、21CrMo10Applications:Large barrel forgings are mainly under the action of impulse or pressure, so that it can obtain high strength, high mechanical properties, withstand greater impact and so on.
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Custom connecting rod DetailsMaterial:35#、34CrMo4、42CrMo4Applications:Internal engine transmission componentsMax Capability:1000pcs /yearCustom connecting rod Order Processing Custom connecting rod Packing and shippingThe shipping of the Custom connecting rodBy container vesselBy bulk cargo ship     Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Customed hot die steel DetailsMaterial:5CrNiMo、H3、1.2344、SKD61Applications:Suitable for manufacturing all kinds of complex shapes, large impact load, working temperature is not too high, side length >400mm large and medium-sized hammer forging die and edge cutting dieMax Capability:2000tons /year,Max diameter:φ900mmMax forging weight:10tons Custom hot die SteelOrder ProcessingCustomed hot die steel  Packing and shippingThe shipping of the Customed hot die steel By container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Lt
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Couplings DetailsMaterial:30CrNiMo8、36CrNiMo4、42CrMo4、45#Applications:Large equipment couplings are used to connect two shafts in different mechanisms (drive shaft and driven shaft) so that they rotate together to transfer torqueMax Capability:1000pcs /yearCouplings Details Order Processing Couplings Details Packing and shippingThe shipping of the Couplings DetailsBy container vesselBy bulk cargo ship     Our CompanyShandong Laiduan Machinery Co., Ltd.
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Boot press mandrel detailsMaterial:45#、42CrMoApplications:Papermaking machinery parts, to support the role of the boot press rollerMax Capability:100pcs /year,Max length:8000mm  Boot press mandrel Order ProcessingPackaging And ShippingThe shipping of the Boot press mandrelBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Embossing machine roller shell detailsMaterial:9Cr2MoApplications:Paper machine embossing roller roller shellMax Capability:2000pcs /year,Max diameter:φ1200mm  Embossing machine roller shell Order ProcessingPackaging And ShippingThe shipping of the Embossing machine roller shellBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Rubber roller roller shell detailsMaterial:42CrMoApplications:Paper machine rubber roller roller shellMax Capability:2000pcs /year,Max diameter:φ1200mm  Rubber roller roller shell Order ProcessingPackaging And ShippingThe shipping of the Rubber roller roller shellBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Centralizer DetailsCentralizer Material:AIS4145  、ISO:42CrMo4、AISI 4140 Centralizer Applications:Centralizer is an oil recovery tool used in oil pumping Wells  and Petroleum machinery and equipment Centralizer Order ProcessingCentralizer Packing and shippingThe shipping of the centralizerBy container vesselBy bulk cargo ship    Our CompanyShandong Laiduan Machinery Co., Ltd. is located in Laiwu District, Jinan City, Shandong Province, 200 kilometers away from Qingdao Port and the location is superior.
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Relate News
Customers from Slovenia visited our companyOn May 17, 2024, customers from Slovenia visited our company. We warmly welcomed our distant friends and held relevant meetings on future cooperation between us. At the meeting, we mainly discussed the material, process and mechanical properties of rolls (including work rolls, backup rolls, etc.). After the meeting, we led the customers to visit the company's production workshop, in the process of visiting the workshop, the customers had a strong interest in our feature - electroslag, but also clearly expressed t
Swedish customers visit our companyOn May 30, 2024, customers from Sweden visited our company and we were very honored. as a supplier of their paper shaft heads, we have always put product quality first, and their boss also highly recognize our products and want to cooperate with us in a deeper and more diversified way. The general manager exchanged gifts with the customers and hoped that the cooperation between the two sides could be closer. At the same time, we have discussed the carbon border adjustment mechanism, and we have made it clear that o
Shandong Laiduan Machinery Co.,Ltd.Product name:φ1063 roll core shaftProduct status: waiting for ultrasonic flaw detection.
Shandong Laiduan Machinery Co.,Ltd.Today’s product: forged battery roll with the size ∮900×1500×3650.Material: 9Cr3MoWorking roll barrel length: 1500mmNet weight of forged blank roll: 10600kg/pieceProduction equipment: 15t gas-protected electroslag remelting furnace, 4500t hydraulic press.Annual capacity: 5000 tons/year.
Advantages of electric slag steel: 1. By controlling the oxygen blowing strength and time of vacuum refining, control the C content and C content of molten steel are stable 2. Effectively reduce the harmful H, N, O, S and other elements in steel water, and the product has high mechanical properties 3. High purity of molten steel makes the gas and inclusion content low.
In 2017, the company pursues excellence, pioneering and enterprising, with a new 10T gas protection furnace, 5T electric slag furnace and 15-ton electric slag furnace. Electric slag can be refused for hot mold steel (H13), roll steel (9Cr3Mo, 9Cr5Mo, etc.).                       
Production process: EBT + LF + VD + (ESR)→ high temperature homogenization, forging molding →after forging overrefinement processingtest itemreach the target degree of purity Class A and C of refined steel shall not be greater than grade 1.0, class B and D shall not be greater than grade 1.5; Electroslag steel class A and C shall be no more than grade 0.5, class B and D shall be no more than grade 1.0 annealed structureRefined steel meets NADVA#207 standard AS7 Electroslag steel meets NADCA#207 standard AS4  banded segregationThe refined steel meets SEP1614 standard re
Shandong Laiduan Machinery Co.,Ltd.and Shandong Innovation Group signed the roll sleeve for aluminum foil mill project , opening a new chapter of aluminum foil rolling machinery.Material: 32Cr3Mo1VSize:32Cr3Mo1VOD(mm)ID(mm))L(mm)Roll Sleeve∮1295∮11652350Roll Sleeve∮1195∮10651450Roll Sleeve∮1095∮9452350Production equipment:  4500t hydraulic press,deep hole boring equipment.Application:After assembly with the roll core, it is assembled to the aluminum foil mill for use.Annual capacity:7000 tons/years
The celebration meeting of the 20th anniversary of the relocationofShandong Laiduan Machinery Co.,Ltd.       The year 2022 is the 20th anniversary of the relocation of the new factory site of Shandong Laiduan. Toughing the wind and rain, spring and autumn, in 2022, we broke the historical record.