Productomschrijving
We can produce conveyor rollers of various standards, diameters, lengths, and types
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| Description | Fabrication Services flat belt idler pulley for belt conveyor |
| Sollicitatie | Used in electric power, metallurgy,mine,coal, cement,steel,chemical, port, hydroelectric power and grain industries |
| Pipe/Tube/Shell | 1)Material:Q235 Steel 2)Diameter:219mm-3000mm 3)Length:500mm-5000mm,depends on the belt width of the conveyor |
| Shaft/Axis | Material:#45 Steel |
| Handelswijze | Big roving crack, deep groove ball with double sealing |
| Welding | Pipe and bearing housing with automatic welding |
| Surface | Smooth steel color surface, rubber lagging surface |
| Kleur | Red,green,blue or as require |
| Service life | More than 30,000 hours |
| Standaard | GB,ISO,DIN,CEMA,JIS |
Our Pulley Features:
| Conveyor Pulley Test | 1. All butt welds shall be full Penetration 2. All welds to be full seal welds to prevent rust 3. Shell seam welds are submerged arc (SAW) 4. Includes stress relieving of shell prior to machining 5. Ultrasonic testing of all shafts 6. Drillings for Temperature probe / vibration analysis device 7. Remove all butts and sharp edges |
| Conveyor Pulley Shaft Selection | The major cause of conveyor pulley failure is excessive shaft deflection. The Conveyor Pulleys – ZheJiang HSCD Engineering department can perform Stress Analysis and Finite Element Analysis to maximize your conveyor pulley performance. |
| Conveyor Pulley Shell Material | Q345B Carbon Steel GR350 Carbon Steel ANSI 4140 Alloy Steel ASTM A514B Stainless Steel |
| Bearing House | SKF/NSK/FAG/INA/HRB/LYC, as customer request. |
| Conveyor Pulley Lagging | Plain rubber lagging, Herringbone and Diamond grooves are all available . Hot Vulcanised Durometer . Hardness 50-55-65 Shore A, M Grade . Oil Resistant, Heat Resistant FRAS |
| Comprising | •Drive pulley, Head pulley and Tail Pulleys •Take-Up Pulleys, •Snub pulley & Bend Pulleys •Self Cleaning Spiral Wing pulley & Drum Pulleys |
| Significant advantages | • The thick pulley shell absorbs more stress. • The large crown angle provides superior belt tracking capabilities. • True concentric machining provides: • maximum contact with the belt, • consistent belt content discharge, • less deflection of shaft, • less stress on the bearings |
| Beschikbaar Conveyor Pulley Designs |
•Liveshaft or Deadshaft types. •Flat or crowned shell. •Taconite, labyrinth or speciality seals. •Oil or grease lubricated. •Self centering or low pressure lock element designs. |
In addition to the structural drum pulley advantages, we provide additional services with every conveyor pulley order:
• Engineering capabilities.(We can engineer and custom build pulleys to your requirements utilizing software tools such as Finite Element Analysis).
• In- house manufactured hubs and shafts.
• This ensures consistency and compatibility of components of the pulley.
• Reinforced Mine Duty pulleys are available.
• In- house assembly of complete pulley unit including: bushing, shaft, bearings and gear box.
• Dynamic or Static balancing upon request.
Besides we can manufacture the conveyor drum pulley according to the buyers' requirements
What kinds of Conveyor Pulleys we can manufacture:
·Conveyor head pulley, Conveyor drive pulley, Conveyor bend pulley, Conveyor Tail Pulley
·Conveyor tension pulley, Conveyor snub Pulley, Conveyor Wing Pulley, Conveyor take up Pulley and so on
Our workshop
Our packaging
our products
Our certificate
Bedrijfsprofiel
ITALY CHINAMFG OU GROUP is a CHINAMFG international companies in the world advanced level . REAL is a registered trademark of CHINAMFG OU GROUP , designed and manufactured REAL brand roller, roller , large belt conveyors in Italy, Germany, Turkey and other countries have extensive influence , by customers alike. CHINAMFG OU GROUP valued Chinese market there is huge potential, has been dedicated to the development of China ‘s roller market. In order to meet the needs of the customers , after many visits screening, HangZhou CHINAMFG Conveying Machinery Co.,Ltd, advanced production technology and years of quality customers as a platform , has won REAL directors unanimously approved, CHINAMFG OU GROUP authorized HangZhou CHINAMFG Conveying Machinery Co.,Ltd REAL brand for the Chinese region specified design and development, production and sales, service as 1 of the company, CHINAMFG OU GROUP, with its strong technical foundation, rich belt conveyor production experience and the international influence of the brand as a backup support, REALwith CHINAMFG joint venture together to open up the Chinese market a variety of mine roller, belt conveyors businesses together to provide our customers with quality services. HangZhou CHINAMFG Conveying Machinery Co.,Ltd was founded in May 2 thousand and five. It's a private enterprise of stock-holding system .It was located in the economic and technological development zone of Xihu (West Lake) Dis. town, HangZhou city. ZheJiang province .This place is beautiful and CHINAMFG ,and the transport is very convenient.On November 18, 2013, joint venture with the ITALY CHINAMFG OU GROUP, specializes in producing REAL brand TD75, DTII, DTIIA type fixed conveyor, mobile elevating conveyors, roller and roller.The products have gained various patents . We have got the national industrial products production license issued by the state administration of quality supervision, inspection and quarantine of the People's Republic of China , the company has been identified as CHINAMFG trademarks in dHangZhou city committee. Enhance the brand of ‘YI LUN'.Our company has the right of exportation and the products are sold to Middle East ,Africa ,Australia ,Europe ,Southeast Asia ,Russia and some other countries and regions. The company has large lathe, numerical control, double pressing machine, double welding machine, double boring lathe, milling machine, sawing machine and so on .The company produces more than 2 thousand rollers a day and over 7 hundred thousand a year .We choose and use the special tube ,cold-drawing shaft and famous bearing to make the rollers ,and the rollers were sealed by nylon .The professional inspectors used testing equipments to examine waterproof , preventing static electricity ,sideways ,moving up and down ,revolving resistance and falling of the rollers .The examine result is that the qualified rate of the rollers is over 98%. The noise of the rollers is very low and its turning is very nimble .The life of the rollers is over 30000 hours ,and the products were praised by all the customers .The products were widely used for mine ,coal mine ,port ,steel plant ,electric plant ,feed-processing plant ,cement plant and some other enterprises. This company pursues that credit is as aim and puts the quality above all else .We request to live and develop with quality and credit .Strengthen the inner management and improve the quality of the products constantly .Offer the best products for customers from the beginning to the end .At the same time ,provide quality service for the customers ,because serving the customers well is also the aim of our enterprise.
| HangZhou CHINAMFG Conveying Co., Ltd | |
| Name | roller,idler,pulley |
| Materiaal | Stainless Steelseamless pipe, welded pipe |
| Size | Any size as your demand |
| Kleur | Red, yellow,any color as your demand |
| Standaard | ISO 9001:2000 , BV Certificate |
| MOQ | 10-50 pcs |
| Handelswijze | 6204,6205,6206,6305 ect |
| Shaft diameter | 20-40 mm |
| Pipe diameter | 60-219 mm |
| Type | DT75,DTII,DTIIA,TK,TKII |
| OEM | Welcome |
| Lifetime | At least 5000 hours |
| Material for transport | Coal,Ore,Clinker,grain,plant,fertilizer,ect |
| Paint | Common paint and baking varnish |
| Producing capacity | 1500pcs per day |
| Payment Term | TT, L/C |
| Loading port | ZheJiang ,HangZhou |
| Production Time | 7-15days after getting the deposite |
| Specifications | 1.Large capacity,2.High speed.3.Easy to install,repaire and maintenance.4.High output,efficiency,low noise. |
| Advantage | 1.Best price.2.Quality control whole process.3.Quick,efficient,comprehensive service. |
Veelgestelde vragen
1. who are we?
We are based in ZheJiang , China, start from 2005,sell to Mid East(64.00%),Eastern Asia(16.00%),South America(7.00%),Southeast Asia(7.00%),Africa(6.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Alway
s final Inspection before shipment;
3.what can you buy from us?
Belt Conveyor,Conveyor Spare Parts,Conveyor Pulley,roller brackets,belts
4. why should you buy from us not from other suppliers?
We have a professional team with rich experience in conveyor industry at CHINAMFG Our team will provide first-class service to you.
5. what services can we provide?
Accepted Delivery Terms: FOB,CFR,CIF,EXW,FAS,FCA,Express Delivery;
Accepted Payment Currency:USD,EUR,CNY;
Accepted Payment Type: T/T,L/C,Credit Card,PayPal,Western Union,Cash;
Language Spoken:English,Chinese,Russian
| Materiaal: | Koolstofstaal |
|---|---|
| Oppervlaktebehandeling: | Polishing |
| Motortype: | Frequency Control Motor |
| Installatie: | Turning |
| Thickness of Rubber Surface: | 8mm 10mm 12mm 15mm 20mm |
| Diameter: | 159—2000mm |
| Aanpassing: |
Beschikbaar
| Aangepast verzoek |
|---|
Hoe werken meerdere katrollen in een blok- en takelsysteem samen?
In een block and tackle-systeem worden meerdere katrollen in combinatie gebruikt om een mechanisch voordeel te creëren, waardoor zware lasten gemakkelijker kunnen worden opgetild. De katrollen in een block and tackle-systeem werken op de volgende manier samen:
1. Lastverdeling: Het gewicht van de te tillen last wordt verdeeld over meerdere strengen touw of kabel die door de katrollen lopen. Deze gewichtsverdeling helpt bij het verminderen van de kracht die nodig is om de last te tillen.
2. Mechanisch voordeel: Het mechanische voordeel in een block and tackle-systeem wordt bereikt door het aantal touwsegmenten dat de last ondersteunt te vergroten. Elke extra katrol vergroot het aantal touwsegmenten, wat op zijn beurt de hoeveelheid kracht die nodig is om de last te tillen, vermindert. Het mechanische voordeel is gelijk aan het aantal touwsegmenten dat de last ondersteunt.
3. Spanningsverdeling: Als de last wordt opgetild, verandert de spanning in het touw of de kabel. In een block and tackle-systeem wordt de spanning verdeeld over de verschillende segmenten van het touw of de kabel die aan de katrollen zijn bevestigd. Deze spanningsverdeling zorgt ervoor dat de last gelijkmatig wordt opgetild en voorkomt overmatige spanning op een enkel touwsegment.
4. Touwopstelling: De katrollen in een blok- en takelsysteem zijn in twee sets gerangschikt: de vaste katrollen en de beweegbare katrollen. De vaste katrollen zijn bevestigd aan een vast punt, zoals een balk of een plafond, en bewegen niet. De beweegbare katrollen zijn bevestigd aan de last die wordt opgetild en kunnen vrij bewegen. De opstelling van de katrollen bepaalt het mechanische voordeel en de richting van de kracht die nodig is om de last op te tillen.
Door deze principes te combineren, zorgen meerdere katrollen in een blok- en takelsysteem voor het effectief tillen van zware lasten met minder inspanning. Het mechanische voordeel van de katrollen maakt het mogelijk om lasten te tillen die anders te zwaar zouden zijn om handmatig te tillen. Blok- en takelsystemen worden veel gebruikt in verschillende toepassingen, waaronder constructie, tuigage, zeilen en theateropstellingen.
Waarom is het belangrijk om de poelie goed uit te lijnen en op spanning te brengen?
Juiste uitlijning en spanning van de katrol zijn cruciale factoren om de efficiënte en betrouwbare werking van katrolsystemen te garanderen. Ze spelen een belangrijke rol bij het maximaliseren van de krachtoverbrenging, het minimaliseren van slijtage en het behouden van de algehele prestaties en levensduur van het systeem. Hier is het belang van juiste uitlijning en spanning van de katrol:
1. Efficiëntie van krachtoverbrenging:
Proper pulley alignment and tensioning ensure optimal power transmission efficiency. When pulleys are misaligned or belts/chains are improperly tensioned, energy is wasted due to increased friction and slippage. This results in decreased power transfer and reduced system efficiency. By aligning the pulleys parallel to each other and applying the correct tension to the belts or chains, the system can achieve maximum power transmission, minimizing energy losses.
2. Levensduur van de riem/ketting:
Correcte uitlijning en spanning van de poelie dragen bij aan de levensduur van riemen en kettingen. Verkeerde uitlijning en onvoldoende spanning kunnen ongelijkmatige slijtage, overmatige rek en voortijdig falen van de riemen of kettingen veroorzaken. Correcte uitlijning en spanning verdelen de belasting gelijkmatig over de riemen of kettingen, waardoor de spanning wordt verminderd en hun levensduur wordt verlengd. Dit helpt om ongeplande uitvaltijd, onderhoudskosten en de noodzaak voor frequente vervanging van riemen/kettingen te voorkomen.
3. Minder lawaai en trillingen:
Onjuiste uitlijning en spanning van de katrol kan leiden tot meer lawaai en trillingen in het systeem. Verkeerd uitgelijnde katrollen of losse riemen/kettingen kunnen overmatige trillingen veroorzaken, wat resulteert in lawaai, schade aan apparatuur en ongemak voor operators of personeel in de buurt. Juiste uitlijning en spanning helpen trillingen te minimaliseren, wat zorgt voor een stillere werking en een comfortabelere werkomgeving.
4. Systeembetrouwbaarheid en veiligheid:
Juiste uitlijning en spanning dragen bij aan de algehele betrouwbaarheid en veiligheid van katrolsystemen. Verkeerd uitgelijnde katrollen of losse riemen/kettingen kunnen leiden tot onverwachte storingen, defecten of ongelukken. Te veel spanning kan ook leiden tot overmatige spanning op componenten en het risico op systeemstoringen vergroten. Door de juiste uitlijning en spanning te handhaven, werkt het systeem binnen de ontwerpparameters, waardoor de kans op onverwachte storingen wordt verkleind en de veiligheid van operators en apparatuur wordt gewaarborgd.
5. Verbeterde prestaties:
Correcte uitlijning en spanning van de poelie verbeteren de algehele prestaties van het systeem. Correct gespannen riemen of kettingen bieden betere grip en tractie, wat zorgt voor een soepelere en nauwkeurigere beweging van de aangedreven componenten. Dit resulteert in een verbeterde snelheidsregeling, minder slippen en een grotere nauwkeurigheid in toepassingen zoals transportsystemen, machinegereedschappen en automotoren.
6. Onderhoud en kostenbesparing:
Correcte uitlijning en spanning van de poelie kan leiden tot aanzienlijke onderhouds- en kostenbesparingen. Goed uitgelijnde poelies en correct gespannen riemen of kettingen ervaren minder slijtage en vereisen minder aanpassingen. Dit vermindert de frequentie van onderhoudstaken, zoals het vervangen van riemen/kettingen, opnieuw uitlijnen en opnieuw spannen. Bovendien helpen correcte uitlijning en spanning, door de efficiëntie van de krachtoverbrenging te maximaliseren en slijtage te minimaliseren, het energieverbruik te verminderen en de bedrijfskosten te verlagen.
Concluderend zijn de juiste uitlijning en spanning van de katrol cruciaal voor het bereiken van optimale efficiëntie van de krachtoverbrenging, het verlengen van de levensduur van riemen of kettingen, het verminderen van geluid en trillingen, het garanderen van de betrouwbaarheid en veiligheid van het systeem, het verbeteren van de prestaties en het realiseren van onderhouds- en kostenbesparingen. Het is essentieel om de richtlijnen van de fabrikant te volgen en regelmatig inspecties en aanpassingen uit te voeren om de juiste uitlijning en spanning in katrolsystemen te behouden.
What are the advantages of using pulleys for mechanical advantage?
Using pulleys for mechanical advantage offers several advantages in various applications. Here are the key advantages:
1. Increased Lifting Capacity: One of the primary advantages of using pulleys for mechanical advantage is that they allow for the lifting of heavier loads with less effort. By distributing the load over multiple segments of rope or belt, pulleys reduce the amount of force required to lift the load. This is especially beneficial in scenarios where manual lifting or limited power is involved.
2. Easier Load Manipulation: Pulleys make it easier to manipulate and control heavy loads. The mechanical advantage provided by pulleys reduces the force needed to move or lift the load, allowing operators to exert less effort. This makes tasks such as lifting, lowering, and positioning heavy objects more manageable and less physically demanding.
3. Safety and Injury Prevention: By reducing the amount of force required to lift heavy loads, pulleys contribute to improved safety and injury prevention. When operators have to exert less physical effort, the risk of strains, sprains, and other lifting-related injuries is significantly reduced. Pulleys enable controlled and smoother load movement, minimizing the risk of sudden shifts or drops that could cause accidents.
4. Precise Load Positioning: Pulley systems provide precise control over load positioning. By using multiple pulleys and adjusting the tension in the rope or belt, operators can achieve precise vertical and horizontal movements of the load. This level of control is particularly valuable in applications that require accurate placement of heavy objects, such as construction, manufacturing, and material handling.
5. Versatility and Adaptability: Pulleys offer versatility and adaptability in various applications. They can be configured in different arrangements and combinations to achieve specific mechanical advantages based on the requirements of the task or load. Pulleys can be easily integrated into existing systems or incorporated into custom-designed setups, making them highly adaptable to different situations.
6. Efficient Power Transmission: Pulleys provide efficient power transmission in mechanical systems. They enable the transfer of rotational motion and force from one component to another with minimal energy loss. The use of pulleys allows for the optimization of power transmission, ensuring effective utilization of available power sources.
7. Cost-Effectiveness: Using pulleys for mechanical advantage can be cost-effective compared to alternative methods. Pulleys are relatively simple and economical devices that can be readily obtained. They require minimal maintenance and have a long operational lifespan. Additionally, pulley systems can often be designed and implemented without the need for complex and expensive equipment.
In conclusion, using pulleys for mechanical advantage offers advantages such as increased lifting capacity, easier load manipulation, safety and injury prevention, precise load positioning, versatility, efficient power transmission, and cost-effectiveness. These advantages make pulleys a valuable tool in a wide range of industries and applications.
redacteur door CX
2023-12-14
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