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Part Number Complete

SHD-CHEERS20

Shaft Bore Dia. d type Cleaning Method CAD Days to Ship

Specification/Dimensions

Shaft Bore Dia. d(mm)
20

25

30
Clear
type
- SH-CHEERS
- SH-CHEESS
- SHD-CHEERS
- SHD-CHEESS
Clear
Cleaning Method
- Precision Cleaning
- Electrolytic Polishing + Precision Cleaning
Clear
CAD
- 2D
- 3D
Clear

Days to Ship

All

9 Day(s) or Less
Clear

Specify Alterations

[Clean & Pack] [Factory Automation New Product]Sprockets for Engineering Plastic Block Chains - Double Strand (Part Number)

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Volume Discount

Brand :

Order Qty :
Total Price :

---
Days to ship :

---

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(i)
Caution

Click here for related information such as technical information on cleaning effects and other cleaned product lineups.
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

Product Description

Three types of cleaning methods are available: degreasing, precision cleaning, and electrolytic polishing + precision cleaning. They can be ordered from one piece with the standard part number.
This eliminates the need for customer cleaning or outsourced cleaning, reducing the amount of time and effort required.

■Part Number for Clean & Pack Products

· Degreasing (Anti-rust single packing)	: Part Number SL-□□
· Precision cleaning (Degassing double packing)	: Part Number SH-□□
· Electrolytic polishing + precision cleaning (Degassing double packing)	: Part Number SHD-□□

Product Part Number	Cleaning Method	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Process
SL-□□	Degreasing	Anti-rust packing	Oil removal	General environment	Regular assembly process
					Post battery assembly process
SH-□□	Precision cleaning	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
SHD-□□	Electrolytic polishing + precision cleaning	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

■Notes
Cleaning also removes rust prevention oil, which may make the product more susceptible to rusting than an uncleaned product.
Please be careful about the application location and storage environment.

[Features]· Sprockets for engineering plastic block chains dedicated to 2-row engineering plastic chains.

[Clean & Pack] [Factory Automation New Product]Sprockets for Engineering Plastic Block Chains - Double Strand: Related Image

Shaft Bore Specs.
(New JIS Key + Tap)

[ ! ]Offset between tooth tip and keyway is ±0.5 mm

Type	[M] Material	Cleaning Method
		Cleaning Method	Cleaning Environment	Packaging Type	Packing Environment
SH-CHEESS	SUS304	Precision cleaning	Class 1000	Degassing double packing	Class 10
SHD-CHEESS		Electrolytic polishing + precision cleaning
SH-CHEERS		Precision cleaning
SHD-CHEERS		Electrolytic polishing + precision cleaning

[ ! ] Products are packed by order quantity. Ex. If the order is for 20 pieces, they are packed in one package (incl. 20 pieces).
[ ! ] See the

details of degreasing, precision cleaning, and electrolytic polishing shown at the bottom of the specification table.
[A]Set Screw

Specification Table

Part Number

SH-CHEESS20

Shaft Bore Dia. d	Keyway b₂ × t₂	Set Screw M
20	6 × 2.8	6
25	8 × 3.3	8
30	8 × 3.3	8

Part Number		Number of Teeth	Do	Dp	Root Dia. DB	L	BL	X	Y	Reference Mass (kg)	Applicable Chains
Type	d_H7
SH-CHEESS SHD-CHEESS	20	16	68	65.1	57.15	21.4	35	7	14.4	0.6	CHER□40 W CHEA□40 W CHEF□40 W CHEE□40 W
	25
	30
SH-CHEERS SHD-CHEERS	20	16	95	85.61	73.7	37	57.3	7	30	1.3	CHEC□60 CHECA60 CHEAC□60 CHEFR□60
	25
	30

Cleaning Process
· Degreasing (Part Number: SL-□□)

Working Environment: General environment
Alkaline warm pure water		Ultrasonic pure water cleaning after cleaning with pure water　 *3 times		Dry		Anti-rust single packing

· Precision cleaning (Part Number: SH-□□)

				Working Environment: Class 1000				Working Environment: Class 10
Hydrocarbon cleaning Ro water cleaning		Wash with pure water (10 MΩ·cm) after high-pressure water jet cleaning (Ro water)		Use pure water (13 MΩ·cm)		Use nitrogen blow		Conducted on a clean bench in a Class 10 clean environment

· Electrolytic polishing + precision cleaning (Part Number: SHD-□□)

						Working Environment: lass 1000				Working Environment: Class 10
Hydrocarbon cleaning Ro water cleaning		Electrolytic polishing with an electrolytic polishing layer according to the material		Wash with pure water (10 MΩ·cm) after high-pressure water jet cleaning (Ro water)		Use warm pure water (13 MΩ·cm)		Use nitrogen blow		Conducted on a clean bench in a Class 10 clean environment

Packaging Example

For degreasing:
(Part Number: SL-□□)

For precision cleaning or electrolytic polishing + precision cleaning:
(Part Number: SH-□□/SHD-□□)

[ ! ] Both the first and second layer packaging are degassed.

Cleaning Effectiveness / Recommended Environment for Use

Cleaning Method	Product Part Number	Packaging Type	Effects Compared to Uncleaned Product	Environment (Standard)	Use Case and Process
Degreasing	SL-□□	Anti-rust packing	Oil removal	General environment	Regular assembly process
Degreasing	SL-□□	Anti-rust packing	Oil removal	General environment	Post battery assembly process
Precision cleaning	SH-□□	Degassing double packing	Oil removal Dust removal	Clean environment (Class 10 to 1,000)	Battery assembly process
					LCD-related post assembly process
					In-vehicle camera assembly process
Electrolytic polishing + precision cleaning	SHD-□□	Degassing double packing	Oil removal Dust removal Outgas reduction	Vacuum environment Clean environment (Class 10 to 1,000)	Pre-semiconductor process
					Liquid crystal deposition process
					Pre-OLED process

Part Number

Incomplete part number.
Please use left hand selections to complete a part number.

: 30; 60; 90

Part Number
SHD-CHEERS20
SHD-CHEERS25
SHD-CHEERS30
SHD-CHEESS20
SHD-CHEESS25
SHD-CHEESS30

Price	Minimum Order Qty.	Volume Discount	Days to Ship	Shaft Bore Dia. d (mm)	Cleaning Method
₹ 13,897.53	1 Piece(s)	Available	9 Day(s) or more	20	Electrolytic Polishing + Precision Cleaning
₹ 15,213.22	1 Piece(s)	Available	9 Day(s) or more	25	Electrolytic Polishing + Precision Cleaning
₹ 15,193.25	1 Piece(s)	Available	9 Day(s) or more	30	Electrolytic Polishing + Precision Cleaning
₹ 10,464.80	1 Piece(s)	Available	9 Day(s) or more	20	Electrolytic Polishing + Precision Cleaning
₹ 10,092.84	1 Piece(s)	Available	9 Day(s) or more	25	Electrolytic Polishing + Precision Cleaning
₹ 10,074.00	1 Piece(s)	Available	9 Day(s) or more	30	Electrolytic Polishing + Precision Cleaning

Basic Information

Chain Type	Straight	Environmentally friendly	RoHS Compliant (10 Substances)	Characteristics/Applications	Clean Washed
Number of Teeth(T)	16	Material	SUS304

The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .

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