How do spring plungers contribute to the efficiency of injection molding processes?

Spring plungers boost injection molding efficiency by securely holding mold components, ensuring precise alignment for consistent results. During setup, they allow quick and effortless adjustment, reducing downtime. Their spring-loaded design maintains component position while enabling easy repositioning, simplifying the process. By streamlining setup and operation, spring plungers enhance productivity in injection molding, benefiting manufacturers by saving time and improving overall efficiency.

What is the importance of ball plungers in automation?

Ball plungers are important in automation because they help things get in the right spot and stay there. Even though they're small, they're super good at making sure parts are in the exact place they need to be. They're used in tools and fixtures to keep stuff secure and move it exactly where it needs to go on the assembly line. Ball plungers are great because they make sure everything runs smoothly and works well, making factories more efficient and products better.

How is stainless steel utilized in plunger design?

Stainless steel is often picked for plungers because it's good at resisting rust and staying strong, even when it's used a lot. It's durable and reliable, which means it lasts a long time without getting damaged, even in tough conditions or when exposed to chemicals that could corrode other materials. That's why it's commonly used in plungers for things like machines in factories, cars, and precision tools, where performance and low maintenance are essential.

What role do locating, positioning, jigs & fixtures play in plunger technology?

Locating, positioning, jigs, and fixtures are super important in plunger technology. Locating mechanisms make sure plungers and workpieces are in the right spot for machining or assembly, reducing mistakes. Positioning devices control how plungers move, so they go exactly where they're supposed to. Jigs and fixtures hold everything in place securely during machining or assembly, which helps prevent errors and makes things work faster and better. Overall, these parts work together to make plunger technology work smoothly and produce high-quality results.

What are the characteristics of spring plungers with flat tip?

Spring plungers with flat tips are versatile tools designed for precise positioning and secure holding of components. Their flat tip ensures even pressure distribution, minimizing the risk of damage to surfaces. These plungers provide strong retention force, securely holding components in place. Some models allow for adjusting the spring tension to customize the holding force. Made from durable materials like steel or stainless steel, they offer longevity and resistance to wear. They are easy to install and replace, making setup and maintenance hassle-free.

What are the key considerations when selecting materials for plungers?

When selecting materials for plungers, consider their strength, durability, and corrosion resistance. Ensure they can withstand operational forces without wearing out quickly. Check if they're resistant to rust and can handle the temperatures they'll encounter. Also, factor in the cost and ease of manufacturing. By evaluating these factors, you can choose materials that meet the needs of your application, providing long-lasting performance without breaking the bank. Ultimately, selecting the right materials ensures reliable and efficient operation of plungers in various industrial settings.

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MISUMI Spring Plungers（Tip Material：Plastic）

MISUMI offers products Spring Plungers specified by Tip Material Plastic from Automation Components product category. There are a total of 4 items. Search and select detailed specifications of parts for your machine with free CAD downloads. MISUMI products are available to order through MISUMI online 24 hours a day. Free shipping, no minimum order.

Configure

Specification/Dimensions

Outer Dia. M(mm)
1.5

2

3

4

5

6

8

10

12

16

20

24

30
Drawing

Clear

Stroke S(mm)
1

1.2

1.5

2

2.3

2.5

3

3.5

4

4.5

5

6

6.5

7

8

9

10

12

15

20

30

40

50

60

70

80
Drawing

Clear

Tip Material
- Steel
- Stainless Steel
- Plastic
Clear

Body Material
- Steel
- Stainless Steel
Clear

Mounting Method
- Screw-In
- Press Fit
Clear

Initial Load (Range)(N)
- 0.01~50
- 50.01~100
Clear

Lock
- Not Provided
- Provided
Clear

Tip Heat Treatment
- Not Provided
- Hardening
- Carburized
Clear

Screw Type of Pin Plunger
- Flat
- Spherical
- Taper R
- Flanged
- Tapped Tip
- With Hex Nose
- With Hex Socket
- Short Stroke
- Long Stroke
Images

Clear

Wrench Hole Shape
- Negative
- Hex
Clear

Main Body Surface Treatment
- Not Provided
- Black Oxide
- Electroless Nickel Plating
- Trivalent Chromate
Clear

Tip Surface Treatment
- Not Provided
- Black Oxide
- Trivalent Chromate
- Electroless Nickel Plating
- Nitriding Treatment
- Zinc Plating
Clear

Brand	(4) (0) IMAO CORPORATION (2) KONISHI (2) NABEYA (1) NBK (3) RS Pro (0) TRUSCO (1)
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CAD	2D 3D

4 items

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Until 31/03/2025

Spring Plungers - Steel

MISUMI

- Spring Plungers - Steel
- Screw Type of Pin Plunger: Spherical head.
- Body Material: Steel S45C
- Body Hardness: 29 ~ 35HRC
- Main Body Surface Treatment: Black Oxide and Electroless Nickel Plating.
- Pin Material: Steel S45C and Plastic Polyacetal.
- Pin Surface Treatment (for steel type): Black Oxide and Trivalent Chromate.
- Spring Material: SWP-B.
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12, 16, 20 and 24 mm.
- The operating Temperature: -30 to 80 ℃
- Mounting Method: Screw-In

From: ฿ 120.12
Special Price
Days to Ship: Same day

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Spring Plungers / Wrenches / Block Plungers - Stainless Steel

Until 31/03/2025

Spring Plungers / Wrenches / Block Plungers - Stainless Steel

MISUMI

- Spring Plungers - Stainless Steel
- Screw Type of Pin Plunger: Spherical Type.
- Body Material: Equivalent Stainless Steel SUS304
- Nose Material: Stainless Steel SUS404C and Plastic Polyacetal.
- Nose Hardness (For Stainless Steel type): 55HRC~
- Spring Material: Stainless Steel SUS631.
- The operating Temperature: -30~260° C (Stainless Steel nose type)
- The operating Temperature: -30~80° C (Plastic nose type)
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12 and 16 mm.
- Mounting Method: Screw-In type.
- Wrench Hole Shape: Hex.

From: ฿ 222.04
Special Price
Days to Ship: Same day

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Until 31/03/2025

Short Spring Plungers - Stainless Steel

MISUMI

- Short Spring Plungers - Stainless Steel
- Screw Type of Pin Plunger: Short Spring Plunger Spherical type.
- Body Material: Stainless Steel SUS304 Equivalent.
- Pin Material: Stainless Steel SUS440C and Plastic Polyacetal.
- Pin Hardness (For Stainless Steel type): 55HRC~
- Spring Material: Stainless Steel SUS631J1.
- The operating Temperature: -30~260° C (Stainless Steel tip type)
- The operating Temperature: -30~80° C (Plastic tip type)
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12 and 16 mm.
- Mounting Method: Screw-In type.
- Wrench Hole Shape: Hex.

From: ฿ 211.12
Special Price
Days to Ship: Same day

Same day

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Until 31/03/2025

Short Spring Plungers - Steel

MISUMI

- Short Spring Plungers - Steel
- Screw Type of Pin Plunger: Short Spring Plunger and Spherical head.
- Body Material: SCM435
- Body Hardness: 29 ~ 35HRC
- Main Body Surface Treatment: Black Oxide and Electroless Nickel Plating.
- Pin Material: Steel S45C and Plastic Polyacetal.
- Pin Surface Treatment (for steel type): Black Oxide and Trivalent Chromate.
- Spring Material: SWP-B.
- The operating Temperature: -30 to 80 ℃
- Mounting Thread size: 3, 4, 5, 6, 8, 10, 12 and 16 mm.
- Mounting Method: Screw-In

From: ฿ 105.56
Special Price
Days to Ship: Same day

Same day


Brand
Product Series
CAD
From
Days to Ship
Outer Dia. M(mm)
Stroke S(mm)
Tip Material
Body Material
Mounting Method
Initial Load (Range)(N)
Lock
Tip Heat Treatment
Screw Type of Pin Plunger
Wrench Hole Shape
Main Body Surface Treatment
Tip Surface Treatment

	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025	You can add up to 6 items per a category to the compare list.Compare Until 31/03/2025
Brand	MISUMI	MISUMI	MISUMI	MISUMI
Product Series	Spring Plungers - Steel	Spring Plungers / Wrenches / Block Plungers - Stainless Steel	Short Spring Plungers - Stainless Steel	Short Spring Plungers - Steel
CAD	2D / 3D	2D / 3D	2D / 3D	2D / 3D
From	฿ 120.12 Special Price On Sale Until 31/03/2025	฿ 222.04 Special Price On Sale Until 31/03/2025	฿ 211.12 Special Price On Sale Until 31/03/2025	฿ 105.56 Special Price On Sale Until 31/03/2025
Days to Ship	Same day	Same day	Same day	Same day
Outer Dia. M(mm)	3 ～ 24	3 ～ 16	3 ～ 16	3 ～ 16
Stroke S(mm)	1.5 ～ 30	1.5 ～ 20	1 ～ 4.5	1 ～ 4.5
Tip Material	Plastic	Plastic	Plastic	Plastic
Body Material	Steel	Stainless Steel	Stainless Steel	Steel
Mounting Method	Screw-In	Screw-In	Screw-In	Screw-In
Initial Load (Range)(N)	0.01~50	0.01~50	0.01~50	0.01~50
Lock	Not Provided / Provided	Not Provided	Not Provided	Not Provided
Tip Heat Treatment	Not Provided	Not Provided	Not Provided	Not Provided
Screw Type of Pin Plunger	Spherical	Spherical	Short Stroke	Short Stroke
Wrench Hole Shape	Hex	Hex	Hex	Hex
Main Body Surface Treatment	Black Oxide / Electroless Nickel Plating	Not Provided / Electroless Nickel Plating	Not Provided / Electroless Nickel Plating	Black Oxide / Electroless Nickel Plating
Tip Surface Treatment	Not Provided	Not Provided	Not Provided	Not Provided

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FAQ Spring Plungers

Question: How do spring plungers contribute to the efficiency of injection molding processes?: Answer: Spring plungers boost injection molding efficiency by securely holding mold components, ensuring precise alignment for consistent results. During setup, they allow quick and effortless adjustment, reducing downtime. Their spring-loaded design maintains component position while enabling easy repositioning, simplifying the process. By streamlining setup and operation, spring plungers enhance productivity in injection molding, benefiting manufacturers by saving time and improving overall efficiency.
Question: What is the importance of ball plungers in automation?: Answer: Ball plungers are important in automation because they help things get in the right spot and stay there. Even though they're small, they're super good at making sure parts are in the exact place they need to be. They're used in tools and fixtures to keep stuff secure and move it exactly where it needs to go on the assembly line. Ball plungers are great because they make sure everything runs smoothly and works well, making factories more efficient and products better.
Question: How is stainless steel utilized in plunger design?: Answer: Stainless steel is often picked for plungers because it's good at resisting rust and staying strong, even when it's used a lot. It's durable and reliable, which means it lasts a long time without getting damaged, even in tough conditions or when exposed to chemicals that could corrode other materials. That's why it's commonly used in plungers for things like machines in factories, cars, and precision tools, where performance and low maintenance are essential.
Question: What role do locating, positioning, jigs & fixtures play in plunger technology?: Answer: Locating, positioning, jigs, and fixtures are super important in plunger technology. Locating mechanisms make sure plungers and workpieces are in the right spot for machining or assembly, reducing mistakes. Positioning devices control how plungers move, so they go exactly where they're supposed to. Jigs and fixtures hold everything in place securely during machining or assembly, which helps prevent errors and makes things work faster and better. Overall, these parts work together to make plunger technology work smoothly and produce high-quality results.
Question: What are the characteristics of spring plungers with flat tip?: Answer: Spring plungers with flat tips are versatile tools designed for precise positioning and secure holding of components. Their flat tip ensures even pressure distribution, minimizing the risk of damage to surfaces. These plungers provide strong retention force, securely holding components in place. Some models allow for adjusting the spring tension to customize the holding force. Made from durable materials like steel or stainless steel, they offer longevity and resistance to wear. They are easy to install and replace, making setup and maintenance hassle-free.
Question: What are the key considerations when selecting materials for plungers?: Answer: When selecting materials for plungers, consider their strength, durability, and corrosion resistance. Ensure they can withstand operational forces without wearing out quickly. Check if they're resistant to rust and can handle the temperatures they'll encounter. Also, factor in the cost and ease of manufacturing. By evaluating these factors, you can choose materials that meet the needs of your application, providing long-lasting performance without breaking the bank. Ultimately, selecting the right materials ensures reliable and efficient operation of plungers in various industrial settings.