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Sprockets ep 02 sprocket

 Various types of sprockets

Sprockets ep 1. Standard hole sprockets 1

Standard bore sprockets

Sprockets ep 1. conveyor sprockets 1
Sprockets ep 1. taper lock sprockets 1

Bushed / Taper lock sprockets

Sprockets ep 1. doule sprockets 1

Double row sprockets

Sprockets ep 1. qd sprockets 1
Sprockets ep 1. flat top sprockets 1

Flat top sprockets

 

 Sprockets of different standards

European standard sprockets

American standard sprockets

Japanese KANA standard sprockets

European Series Sprockets

American Series Sprockets

Japanese Series Sprockets

 Reliable Sprocket Manufacturer

HZPT(Hangzhou Ever-power Transmission) is a manufacturer of gears, sprockets, worm gears, flanges, gear rack and pinion, spur gear, helical gear, gear shafts, bevel gear shafts, spline shafts, clutch sets, etc. it also wholesale and retail various standard industrial wheels and various special-shaped parts. It can be processed and customized according to samples or drawings! Since its establishment, the company has won the trust and support of customers with excellent quality and sincere service. We aim to “seek development with science and technology, survive with quality, seek benefits with innovation, and strive to provide customers with excellent products and satisfactory services with progressive production management and strict quality requirements.”

Sprockets ep spur gear 003
Sprockets ep HZPT mic hd 2 1

Services we can provide

1. Produce strictly following standard dimension
2. Material: 1045 Steel / Alloy Steel / Stainless Steel 304 & 316 
3. Standard: ANSI, DIN, JINS, ISO, KANA, Standard America, or customer’s drawing
4. Pilot bore, finished bore, taper bore, and special bore. 
5. Bright surface / high precision / Blacking /Electrophoretic-Coated
6. Advanced heat treatment and surface treatment craft
7. Best quality and competitive price. 
8. Welcome OEM / ODM 
9. Processing Equipment: Hobbing machine, Slotting machine, CNC lathes, and other equipment.
10. Sprocket Models: Contains special sprocket according to customer’s drawings, standard sprocket (American standard and metric).

How to select sprocket material

The sprocket material shall ensure that the teeth have sufficient strength and wear resistance, so the sprocket tooth surface is generally heat treated to achieve a certain hardness

The following table shows the heat treatment methods and applicable conditions of different materials

Materials Heat treatment Tooth surface hardness Applicable conditions:
15#, 20# Carburizing, quenching, tempering 50-60 HRC Z ≤ 25 sprocket with impact load
35#

normalizing

 

160-200HBS Z > sprocket
45#, 50#, ZG310-570 quenching, tempering 40-45HRC Sprocket wheel without severe impact, vibration and wear resistance
15Cr, 20Cr Carburizing, quenching, tempering 50-60HRC High power drive sprocket with Z < 25
40Cr, 35SiMn, 35CrMo quenching, tempering 40-50HRC Important sprocket requiring high strength and wear resistance
A3, A5 welding annealing 140HBS Large sprocket with medium-low speed and medium power
≥HT200 Grey cast iron  quenching, tempering 260-280HBS Sprocket with Z > 50

 

Important specifications of sprocket

Sprocket specification information the sprocket assembly consists of two main components: sprocket and chain. The system will not normally work if the two parts cannot complement each other. When selecting a replacement sprocket or designing a new sprocket and chain assembly, several factors need to be considered, such as:

    Type

    Different types of sprockets have different hubs. The hub is the additional thickness around the sprocket center plate that does not include teeth. The American National Standards Institute (ANSI) has identified four main types of sprockets:

    • A-Type sprocket is only a plate without additional thickness or hub. 
    • B-type sprocket with the hub on one side. 
    • C-type sprocket with hubs of the same thickness on both sides of the plate. 
    • C-type offset or D-type sprocket also has two hubs. However, each hub has a different thickness, making the sprocket asymmetric.

    Different types allow different applications. For example, type A and type B sprockets are close to the equipment, while type C sprockets are usually larger and need thicker thickness to support the weight.

    Sprockets ep sprocket 2

    Tooth pitch
    Sprockets may have wide or narrow teeth, depending on the pitch length in the chains they must match. Chains with a large pitch diameter generally demand sprockets with similarly large teeth, while chains with smaller lengths between roller-pin centers need smaller teeth. Tooth pitch refers to the number of teeth per inch.

    Bore size 
    The sprocket bore is the hole through the center of the sprocket through which the drive shaft runs. Knowing the diameter of the shaft ensures that the selected sprocket won’t have a sprocket bore that is too small or too large to fit without tilting or slipping.

    Sprockets ep type sprockets 1 03

    Number of shares
    A chain is a row of teeth on the circumference of a sprocket. Many ordinary sprockets are single strand. Other sprockets may have double or three sprockets, which can grasp two or three chains simultaneously. The multi-strand chain can drive more torque and power from the common central shaft.
    Caliper diameter
    The caliper diameter is similar to the bottom diameter. It measures the diameter of the sprocket plate that does not include teeth. When the operator replaces a sprocket with worn and broken teeth, the caliper diameter may be the only way to determine the sprocket size.
    Hub diameter
    Hub diameter measures the diameter of the hub, that is, the additional thickness of the peripheral plate of the central hole of the B-type and C-type sprockets.

    Products Category

    European standard sprockets & platewheels

        No.Strands 

         Pitch range

             1 

     5,6,8,3/8″—>3″

             2 

        3/8″—->2″

             3 

        3/8″—->2

    American standard sprockets

      Type

      No.Strands

       Pitch range

       A,B,C

           1

    5,6,8,3/8″—>3″

       A,B,C

           2

       3/8″—->2″

       A,B,C

           3

       3/8″—->2″

    Sprockets typeaSprockets image3I5Sprockets typecSprockets sprock~1Sprockets idlers~1Sprockets

     

    European Standard Finished bore Sprocket

    Finished bore Sprockets are available with hardened teeth, Keyways and setscrews.

    American Standard Finished bore Sprocket — Type “BS”

    Finished bore Sprockets are available with hardened teeth, Keyways and setscrews.

    Taper Lock Sprockets

      No.Strands 

            Pitch range

              1

              3/8 “-2”

              2

              3/8 “-1”

              3

              3/8 “-1”

    “QD”Sprockets

       No.Strands 

                   Pitch range

                        1

                     3/8 “-2”

                        2

                     3/8 “-1”

                        3

                     3/8 “-1”

    European Standard Idler Sprockets ( Bearings installed)

    American Standard Idler Sprockets

    a. Ball bearing idler sprockets    Harden teeth High speed
    35BB20H, 40BB17H, 40BB18H, 50BB15H,
    50BB17H, 60BB13H, 60BB15H, 80BB12H
    b. Bronze bushed idler sprockets
    31E20, 41E15, 51E15, 61E14

    Double Pitch Sprockets

    Type

     

    Teeth Range

     

            C2040

         11~30

            C2042

           8~30

            C2050

         11~30

            C2052

          8 ~30

            C2060

         11~30

            C2062

           8~30

            C2080

         11~30

            C2082

           8~30

    European standard platewheels and sprockets for conveyor Chain

      Pitch

    Roller

    Teeth range

         20

        12

     12~ 40 

         30 

       15.88

     11~38 

         50

         25

       6~38

         50

        28 

       8~24

         50

        31

       6~38 

         50.8

        30

       8~28

         75

        25 

       8~25

         75

        31

       8~25

         100 

        25

       8~20 

         100

        31 

       8~20

         100

        40

       8~20 

    American standard Double Single Sprockets

    Sprockets for Table Top sprockets

    Stainless steel sprocket

    Cast iron Sprockets

    Weld on sprockets

    Instant Sprockets

    Sprockets for Engineering Chains

    American standard 800 series conveyor sprockets

    Special sprockets Made acc. to customers’ requirements.

    Weld Finish Sprockets Hub

    Weld Finish Sprockets(ANSI)

    Standard DIN8196 Sprockets

     Last update sprocket products:

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