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Timing belt pulleys / S2M / flanged pulley selectable / configurable / material selectable / treatment selectable (Part Numbers - CAD Download)

Timing belt pulleys / S2M / flanged pulley selectable / configurable / material selectable / treatment selectable
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  • Please note that the swaged flange options, NFC, RFC, and LFC, are not reflected in the CAD data.

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Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

High Torque Timing Pulleys S2M Type:Related Image
Open the technical drawing in the new window
 

Available dimensions and tolerances can be found under the tab More Information.
 

Basic Properties (e.g., material, hardness, coating, tolerance) - Toothed Pulleys/Timing Pulleys/Idler Pulleys

 
TypeBelt WidthMaterial *1Surface TreatmentAccessory *1
Set Screw
4mm6mm10mmPulleyFlange
S2M040S2M060S2M100
HTPA●●●A2000
Aluminum Alloy		Aluminum AlloyClear AnodizeEN 1.4301 Equiv.
HTPB●●●Black Anodize
HTPK●●●Hard Clear Anodize *2
HTPN●●●Electroless Nickel Plating
HTPT●●-EN 1.1191 Equiv.EN 1.0330 Equiv.-EN 1.7220 Equiv.
(Black Oxide)
HTPM●●-Black Oxide
HTPP●●-Electroless Nickel Plating
HTPS●●-EN 1.4301 Equiv.EN 1.4301 Equiv.-EN 1.4301 Equiv.
Flange is installed, and set screws are included with Shaft Bores P, N and C. *1. The above material and accessory might be changed to the ones equivalent to the originals.
*2. Hard Clear Anodize: Film Hardness 300HV ~

Further specifications can be found under the tab More Information.
 

Composition of a Product Code - Toothed Pulleys/Timing Pulleys/Idler Pulleys

 Part Number-Pulley Shape-Shaft Bore Specs., I.D.-Z-J-Q-R-S-T
(Shaft Bore Specs.: H, P, N, C)HTPA48S2M040-B-N10            
(Shaft Bore Specs.: V, F)HTPA60S2M060-B-V10-Z17-J14.2        
(Shaft Bore Specs: Y)HTPA36S2M100-A-Y6    -Q10-R10-S3-T3

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys

High Torque Timing Pulleys S2M Type:Related Image

Here to the Overview of Options as PDF.

General Information - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Toothed pulley - synchronous pulley - belt pulley - product assortment

 

Selection details of toothed pulleys/timing pulleys/idler pulleys

- Material: aluminum, steel, stainless steel (stainless steel), plastic

- Coatings: uncoated, burnished, anodized, nickel-plated

- Profile form: 1.5GT, 2GT, 3GT, 5GT, P2M, P3M, P5M, P8M, S2M, S3M, S5M, S8M, S14M, T2.5, T5, T10, AT5, AT10, 5M, 8M, 14M, 8YU, H, L, MXL, XL, PowerGrip GT3: MR2, MR3, MR5

- ISO tolerances: H7

- Belt width (mm): 4, 4.8, 6, 6.4, 7, 7.9, 9, 9.5, 10, 12, 12.7, 15, 18, 19.1, 20, 25, 25.4, 26, 28, 30, 31, 38,1, 40, 50, 50.8, 53, 60, 74, 76.2, 100

- Belt width (inches): 0.19, 0.25, 0.31, 0.37, 0.5, 0.75, 1, 1.5, 2

- Number of teeth: 10 to 72

 

Description/Basics

The toothed pulley for mechanical engineering is intended for the transmission of force and torque. Timing pulleys enable a gear ratio of speeds through belt pulleys of different sizes. Timing pulleys are more efficient, durable and significantly more maintenance-friendly compared to chain transmissions.

How much torque and load a timing pulley can transmit depends on the width of the belt. The width of the belt must be calculated. It is recommended to ensure the belt is correctly tensioned. MISUMI already offers the suitable idler pulley and return rollers with integrated ball bearings. For design and design help follow this link.

Different profile shapes of the toothed belts and belt pulleys are responsible for the transmission of power. Depending on the positioning accuracy, the applied torque and the conveying weight, MISUMI offers the fitting pulley. Toothed belt drives are generally used in the industry in three areas:
Positioning: Timing pulleys is often used in 3D printers. A toothed pulley with a semi-circular profile (e.g., GT) is often used for the required position accuracy of a 3D printers. The round shape offers the benefit of little play when the direction changes.
Drive: toothed pulleys are also used for high torque. In most cases, a timing pulley with a rounded trapezoidal profile (e.g., S8M) is used. These are particularly well suited for the transmission of high forces, which occur in drives of various applications in order to drive mechanical components.
Conveying: toothed pulleys can also be used for transporting loads. A straight trapezoidal profile is often used for this purpose (e.g., AT). This toothed pulley shape offers a large surface for loading and transmitting of loads.

Which toothed pulley or timing pulley is the right one for your application depends on the respective task of the toothed belt drive. Different toothed disc profiles have proven themselves for each type of application.

Various bore hole shapes and fastening variants are available for shaft mounting. These allow fastening via set screws, keyways and by means of Mecha locks. Fastening via a clamping sleeve has the further advantage that it allows adjusting the alignment continuously. The MISUMI product assortment has these ready-to-install.

Application Examples - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Application example: idler pulley - idler pully toothed with chain tensioner - toothed pulley with chain tensioner

Application example: idler pulley
(1) Idler pulleys, (2) chain tensioner

Application example: return roller - return roller with cantilever pin - synchronous pulley with on-board disc - toothed pulley with on-board disc

Application example: deflection roller
S (1) Toothed pulleys with crimp disc, (2) nut, (3) washer, (4) cantilever shaft, (5) retaining ring

Application example: synchronous pulleys - toothed pulleys with toothed belts - toothed pulley with screw-on clamp

Application example: timing pulleys
(1) Flat head screw, (2) Timing pulley, (3) Timing belt, (4) Screw-on terminal

Application example: toothed belt drives - toothed pulleys with crimp disc - idler pulley with crimp disc - tensioning of the toothed belt

Application example: of toothed belt drives
(1) Toothed belt, (2) driven toothed pulley with crimp disc, (3) idler pulley with crimp disc, (4) driving toothed pulley with crimp disc

 

Industrial Applications

3D printer industry
Automotive industry
Pharmaceutical industry
Packaging industry

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Part Number
HTPT44S2M060-B-H6.35
HTPT44S2M060-B-H[5-16/1]
HTPT44S2M060-B-N[8,​10,​11]
HTPT44S2M060-B-NK10
HTPT44S2M060-B-P6.35
HTPT44S2M060-B-P[5-12/1]
HTPT44S2M060-B-V6.35
HTPT44S2M060-B-V[5-14/1]
HTPT48S2M040-A-C[10,​12,​15,​16]
HTPT48S2M040-A-H6.35
HTPT48S2M040-A-H[5-21/1]
HTPT48S2M040-A-N8
HTPT48S2M040-A-N[10-16/1]
HTPT48S2M040-A-NK10
HTPT48S2M040-A-P6.35
HTPT48S2M040-A-P[5-17/1]
HTPT48S2M040-A-V6.35
HTPT48S2M040-A-V[5-19/1]
HTPT48S2M040-A-WB[5-19/1]
HTPT48S2M040-A-Y[5-19/1]
HTPT48S2M040-B-C10
HTPT48S2M040-B-F6.35
HTPT48S2M040-B-F[5-14/1]
HTPT48S2M040-B-H6.35
HTPT48S2M040-B-H[5-16/1]
HTPT48S2M040-B-N[8,​10,​11]
HTPT48S2M040-B-NK10
HTPT48S2M040-B-P6.35
HTPT48S2M040-B-P[5-12/1]
HTPT48S2M040-B-V6.35
HTPT48S2M040-B-V[5-14/1]
HTPT48S2M060-A-C[10,​12,​15,​16]
HTPT48S2M060-A-H6.35
HTPT48S2M060-A-H[5-21/1]
HTPT48S2M060-A-N8
HTPT48S2M060-A-N[10-16/1]
HTPT48S2M060-A-NK10
HTPT48S2M060-A-P6.35
HTPT48S2M060-A-P[5-17/1]
HTPT48S2M060-A-V6.35
HTPT48S2M060-A-V[5-19/1]
HTPT48S2M060-A-WB[5-19/1]
HTPT48S2M060-A-Y[5-19/1]
HTPT48S2M060-B-C10
HTPT48S2M060-B-F6.35
HTPT48S2M060-B-F[5-14/1]
HTPT48S2M060-B-H6.35
HTPT48S2M060-B-H[5-16/1]
HTPT48S2M060-B-N[8,​10,​11]
HTPT48S2M060-B-NK10
HTPT48S2M060-B-P6.35
HTPT48S2M060-B-P[5-12/1]
HTPT48S2M060-B-V6.35
HTPT48S2M060-B-V[5-14/1]
HTPT50S2M040-A-C[10,​12,​15,​16]
HTPT50S2M040-A-H6.35
HTPT50S2M040-A-H[5-21/1]
HTPT50S2M040-A-N8
HTPT50S2M040-A-N[10-16/1]
HTPT50S2M040-A-NK10
Part Number
Standard Unit Price
Minimum order quantityVolume Discount
Standard
Shipping Days
?
RoHSBelt Width
(mm) 		[T] Number of Teeth Pulley Shape Material Surface Treatment Shaft Bore Specifications (Both Ends Stepped Hole) [Y]
(mm) 		Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N]
(mm) 		Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C]
(mm) 		Shaft Bore Specifications (Round Hole + Tap) [P]
(mm) 		Shaft Bore Specifications (Round Hole) [H]
(mm) 		Shaft Bore Specifications (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm) [NK] Shaft Bore Specifications (Stepped Hole) [V]
(mm) 		Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F]
(mm) 		WB

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided----5 ～ 16----

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided-8 ～ 11-------

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided-----10---

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided---6.35-----

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided---5 ～ 12-----

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided------6.35--

-

1 10 Days 10644Shape BEN 1.1191 Equiv.Not Provided------5 ～ 14--

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided--10 ～ 16------

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided----5 ～ 21----

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided-8-------

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided-10 ～ 16-------

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided-----10---

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided---6.35-----

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided---5 ～ 17-----

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided------6.35--

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided------5 ～ 19--

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided--------5 ～ 19

-

1 10 Days 10448Shape AEN 1.1191 Equiv.Not Provided5 ～ 19--------

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided--10------

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided-------6.35-

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided-------5 ～ 14-

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided----5 ～ 16----

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided-8 ～ 11-------

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided-----10---

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided---6.35-----

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided---5 ～ 12-----

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided------6.35--

-

1 10 Days 10448Shape BEN 1.1191 Equiv.Not Provided------5 ～ 14--

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided--10 ～ 16------

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided----5 ～ 21----

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided-8-------

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided-10 ～ 16-------

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided-----10---

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided---6.35-----

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided---5 ～ 17-----

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided------6.35--

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided------5 ～ 19--

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided--------5 ～ 19

-

1 10 Days 10648Shape AEN 1.1191 Equiv.Not Provided5 ～ 19--------

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided--10------

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided-------6.35-

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided-------5 ～ 14-

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided----5 ～ 16----

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided-8 ～ 11-------

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided-----10---

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided---6.35-----

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided---5 ～ 12-----

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided------6.35--

-

1 10 Days 10648Shape BEN 1.1191 Equiv.Not Provided------5 ～ 14--

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided--10 ～ 16------

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided----6.35----

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided----5 ～ 21----

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided-8-------

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided-10 ～ 16-------

-

1 10 Days 10450Shape AEN 1.1191 Equiv.Not Provided-----10---

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Back to the Category Toothed Pulleys/Timing Pulleys/Idler Pulleys

Technical Drawing - Toothed Pulleys/Timing Pulleys/Idler Pulleys

High Torque Timing Pulleys S2M Type:Related Image
Open the technical drawing in the new window

Specification Tables - Toothed Pulleys/Timing Pulleys/Idler Pulleys

Part NumberPulley
Shape		Pulley Shape
TypeNumber of TeethType
Nominal Width		AB • K
Shaft Bore Specifications (~): Specify in 1mm Increment, (, ): Select the former or latterShaft Bore Specifications (~): Specify in 1mm Increment, (, ): Select the former or latter
H
Round Hole		P
Round Hole + Tap		N, C
Keyway + Tap		V
Stepped Hole		Y
Both Ends Stepped		H
Round Hole		P
Round Hole + Tap		N, C
Keyway + Tap		V, F
Stepped Hole
VZ
Z-d≥2		J
(0.1mm Increment)		YQ, R
Q(R)-d≥2		S, TV, FZ
Z-d≥2		J
(0.1mm Increment)
Aluminum
HTPA
HTPB
HTPK
HTPN

Steel
HTPT
HTPM
HTPP

Stainless Steel
HTPS		14S2M040

S2M060

S2M100		A

K		3, 4--------3, 43, 4----
153, 43, 43, 4
163, 4, 5352.0≤J≤W-2.0353~6
S+T≤W-3		3, 4, 53, 4, 52.0≤J≤L-2.0
183, 4, 535353, 4, 53, 4, 5
203~6--3, 45, 63, 45, 63~63~6---
223~63, 45, 63, 45, 63~63~6
233~63, 45, 63, 45, 63~63~6
243~6, 6.35, 73, 4, 55, 6, 73, 4, 55, 6, 73~6, 6.35, 73~6, 6.35, 7
253~6, 6.35, 73, 4, 55, 6, 73, 4, 55, 6, 73~6, 6.35, 73~6, 6.35, 7
263~6, 6.35, 7, 83~65~83~65~83~6, 6.35, 7, 83~6, 6.35, 7, 8
283~6, 6.35, 7, 83~65~83~65~83~6, 6.35, 7, 83~6, 6.35, 7, 8
303~6, 6.35, 7, 83~65~83~65~83~6, 6.35, 7, 83~6, 6.35, 7, 8
32A

B		4~6, 6.35, 7~104~6, 6.35, 7~1084~76~104~76~104~6, 6.35, 7, 84, 5, 6-4~66~8
344~6, 6.35, 7~104~6, 6.35, 7~108, 10, NK104~76~104~76~104~6, 6.35, 7~104~6, 6.35, 7, 84~66~8
364~6, 6.35, 7~104~6, 6.35, 7~108, 10, NK104~86~114~86~114~6, 6.35, 7~104~6, 6.35, 7, 84~86~10
404~6, 6.35, 7~124~6, 6.35, 7~128, 10, NK10, 11, 124~106~124~106~124~6, 6.35, 7~134~6, 6.35, 7~1084~106~12
445, 6, 6.35, 7~155, 6, 6.35, 7~138, 10, NK10, 11~135~137~155~137~155, 6, 6.35, 7~155, 6, 6.35, 7~128, 10, NK10, 115~137~15
485, 6, 6.35, 7~175, 6, 6.35, 7~158, 10, NK10, 11~155~157~175~157~175, 6, 6.35, 7~165, 6, 6.35, 7~128, 10, NK10, 115~147~16
505, 6, 6.35, 7~175, 6, 6.35, 7~168, 10, NK10, 11~165~157~245~157~245, 6, 6.35, 7~165, 6, 6.35, 7~128, 10, NK10, 115~147~16
605, 6, 6.35, 7~245, 6, 6.35, 7~228, 10, NK10, 11~225~227~245~227~245, 6, 6.35, 7~255, 6, 6.35, 7~228, 10, NK10, 11~165~227~24
725, 6, 6.35, 7~305, 6, 6.35, 7~248, 10, NK10, 11~225~287~307~287~305, 6, 6.35, 7~305, 6, 6.35, 7~248, 10, NK10, 11~175~247~26
Shaft Bore Dia. 8, 11, 13, 14, 17, 21, 22 are not available for Shaft Bore Spec. C.

Alterations - Toothed Pulleys/Timing Pulleys/Idler Pulleys


High Torque Timing Pulleys S2M Type:Related Image

Here to the Option Overview PDF
 

Basic information

Type Timing Pulleys Belt Type S2M Timing Pulleys/Idlers Pulleys

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Basic Attributes

  • Belt Width(mm)

    • 4
    • 6
    • 10

    Clear

  • [T] Number of Teeth

    • 14
    • 15
    • 16
    • 18
    • 20
    • 22
    • 23
    • 24
    • 25
    • 26
    • 28
    • 30
    • 32
    • 34
    • 36
    • 40
    • 44
    • 48
    • 50
    • 60
    • 72

    Clear

  • Pulley Shape

    • Shape A
    • Shape B
    • Shape K

    Clear

  • Material

    • EN 1.1191 Equiv.
    • Aluminum
      • EN AW-2017 Equiv. (Duralumin)
      • 2000 Series Aluminum Alloy (Duralumin)
    • EN 1.4301 Equiv.

    Clear

  • Shaft Bore Specifications (Both Ends Stepped Hole) [Y](mm)

    • 3
    • 4
    • 5
    • 6
    • 7
    • 8

     [3-32/1mm Unit(s)]

    Clear

  • Shaft Bore Specifications (New JIS Keyway Hole + Tap) [N](mm)

    • 8
    • 10
    • 11
    • 12
    • 13

     [10-26/1mm Unit(s)]

    Clear

  • Shaft Bore Specifications (Old JIS Keyway Hole + Tap) [C](mm)

    • 10
    • 12
    • 15
    • 16
    • 18
    • 19
    • 20

    Clear

  • Shaft Bore Specifications (Round Hole + Tap) [P](mm)

    • 3
    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8

     [3-30/1mm Unit(s)]

    Clear

  • Shaft Bore Specifications (Round Hole) [H](mm)

    • 3
    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8

     [3-34/1mm Unit(s)]

    Clear

  • Shaft Bore Specifications (Shaft Bore Dia. 10 Keyway Width 4mm Height 1.8mm) [NK]

    • 10

    Clear

  • Shaft Bore Specifications (Stepped Hole) [V](mm)

    • 3
    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8

     [3-32/1mm Unit(s)]

    Clear

  • Shaft Bore Specifications (Stepped Hole: Counterbored Holes on the Hub Side) [F](mm)

    • 4
    • 4.5
    • 5
    • 6
    • 6.35
    • 7
    • 8

     [4-24/1mm Unit(s)]

    Clear

  • WB

    • 3
    • 4

     [3-32/1]

    Clear

  • Type

    • HTPA□□S2M
    • HTPB□□S2M
    • HTPK□□S2M
    • HTPM□□S2M
    • HTPN□□S2M
    • HTPP□□S2M
    • HTPS□□S2M
    • HTPT□□S2M

    Clear

  • Surface Treatment

    • Not Provided
    • Black Oxide
    • Clear Anodize
    • Black Anodized Aluminum
    • Hard Clear Anodize
    • Electroless Nickel Plating

    Clear

  • Filter by CAD data type

    • 2D
    • 3D

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Filter by standard shipping days

    • All
    • 6 Days or Less
    • 8 Days or Less
    • 10 Days or Less
    • 12 Days or Less
    • 14 Days or Less

    Reset

Optional Attributes

Frequently Asked Questions (FAQ)

Question:

Do you have any belt pulleys without a hole?
Answer:

The MISUMI toothed pulleys always have a pilot bore. It is expanded depending on your configuration. It provides the advantage that the belt pulleys are already provided with a suitable shaft bore ready for installation. Therefore, it does not require time-consuming post-processing.
Question:

Do you have timing pulleys made of aluminum?
Answer:

The MISUMI online shop also offers timing pulleys or toothed pulleys in aluminum. Furthermore, we are also offering belt pulleys in steel and stainless steel. The return rollers and idler pulleys for the timing belts are also available in plastic.
Question:

Is a transmission with toothed belt pulleys possible?
Answer:

With toothed pulleys, a gear ratio is possible in a drive. The gear ratio is established based on the number of teeth on the belt pulleys. It should be ensured that the minimum number of teeth of the timing pulley disc is not undercut.

Question:

Which type of the toothed belt pulley can be clamped during assembly?
Answer:

There are a number of ways to install timing pulleys on a shaft. For applications that are not exposed to high torque, such as conveyors, it can be sufficient to fasten a timing pulley using clamping threaded pins. For this purpose, the shaft should have a flat surface.
For higher loads, a toothed pulley with a keyway can also be used.
A further variant is the fastening of a timing pulley via a conical chip sleeve. Depending on the type of Mecha lock, the timing pulley requires lateral internal threads, which can be added through additional options in the MISUMI online shop.
A timing pulley with a bore hole can also be combined with a Mech lock. MISUMI is offering this combination as a set.

Question:

Where do you position the tension roller?
Answer:

If an idler pulley should be utilised, it should be positioned on the sag side. This means that the idler pulley is attached to the side not subjected to pull.
Ideally, a toothed idler pulley is mounted on the inside of the toothed belt. The tensioning roller should always be larger than the smallest toothed idler pulley of the belt drive system.
If an idler pulley must tension the toothed belt from the outside, then a non-toothed (flat) idler pulley should be used. Cantilever pins, which MISUMI offers in various geometric versions, are suitable for fastening.

Question:

Which parallel key can be used for the toothed pulleys?
Answer:

The parallel key size is based on the shaft diameter. In this case, it is recommended using the MISUMI parallel keys, as they fit better when MISUMI toothed pulleys are used. See Overview available as PDF for keyway tolerances.
Question:

Is a timing pulley with a round profile better?
Answer:

Timing pulleys and round-profile timing belts are not recommended for every application. For example, the round profile shape is well suited for applications that require high positioning accuracy. Therefore, they are often used in 3D printers and scanners. Compared to other profile shapes, the round profile shape has a higher wear resistance. Another advantage of the round profile shape is the minimized play in the return (reverse play).
Question:

Which belt pulley is suitable for Gates toothed belts?
Answer:

The GT and EV timing pulleys are suitable for Gates’ toothed belts. However, these require you put attention to the slope (distance of the teeth) of the toothed belt. It must be checked whether these correspond to the selected toothed pulley.
Question:

Are the curtain discs necessary for the toothed pulleys?
Answer:

It is recommended using the smaller belt pulleys particularly with curb disc. The curb disk ensures that the toothed belt does not migrate down from the toothed belt pulley. Even with the smallest misalignment of a pulley, there may be a risk that the toothed belt will move and jump during operation.
Question:

How is the gearing of the toothed pulleys manufactured?
Answer:

The gear teeth of the MISUMI toothed belt pulley are mainly pushed. This ensures high manufacturing accuracy. As a result, the teeth fit precisely into the toothed belt profile of the timing belts and ensure optimal power and torque transmission.

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