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Spring Plungers（Tip Surface Treatment：Nitriding Treatment）
A spring plunger is a mechanical device consisting of a pin or plunger enclosed within a housing, with a spring providing force to extend or retract the plunger. When not acted upon, the spring pushes the plunger outward from the housing. Applying external force compresses the spring, allowing the plunger to retract. Once the force is removed, the spring pushes the plunger back out. Some spring plungers have locking mechanisms for added stability. They are widely used in manufacturing for precise positioning, retaining objects in place, aligning components, and providing adjustable force. They can also serve as safety devices by giving feedback or triggering switches. In essence, spring plungers offer a simple yet effective solution for controlling motion and force in various applications. To select a Misumi spring plunger, consult the product specifications for factors such as size, material, spring force, and any additional features required for your specific application needs. Then, use MISUMI's online catalog or contact direct our MISUMI for assistance.
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NABEYA BI-TECH
Light-load and heavy-load types available in steel and stainless steel.
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 4 ～ 24 1.5 ～ 8 Stainless Steel Stainless Steel Screw-In 0.01~50 / 50.01~100 Not Provided Not Provided Spherical Negative Not Provided Nitriding Treatment From: 181,905 VND Days to Ship: Số ngày giao hàng: Same day or more 
Same day or more
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- On Sale Till 31/03/2025
NABEYA BI-TECH
[Features]· Both of the steel and stainless steel plungers are available with plastic pins.· PsF: Light load, steel plunger.· PSF-SN: Light load, full stainless steel plunger.· PSN: Light load, steel plunger with plastic pin.· PSF-KN: Light load, stainless steel plunger with plastic pin.· PSF-ss: Heavy load, steel plunger.
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 4 ～ 16 1.5 ～ 5 Stainless Steel Stainless Steel Screw-In 0.01~50 Not Provided Not Provided Spherical / With Hex Socket Hex Not Provided Nitriding Treatment From: 329,315 VND Special Price Days to Ship: Số ngày giao hàng: Same day or more
Same day or more
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KONISHI
All-stainless steel ball short-stroke plungers, ideal for food machinery/outdoor installation due to its superior anti-rust properties.
- CAD ：
- 2D
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 4 ～ 16 1.5 ～ 5 Stainless Steel Stainless Steel Screw-In 0.01~50 Not Provided Not Provided Spherical / With Hex Socket / Short Stroke Hex Not Provided Nitriding Treatment From: 338,411 VND Days to Ship: Số ngày giao hàng: 5 Day(s) or more
5 Day(s) or more
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You can add up to 6 items per a category to the compare list.  | You can add up to 6 items per a category to the compare list. 
      | You can add up to 6 items per a category to the compare list.  | |
| BrandNhãn hiệu | NABEYA BI-TECH | NABEYA BI-TECH | KONISHI |
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| From | 181,905 VND | 329,315 VND Special Price On Sale Till 31/03/2025 | 338,411 VND |
| Days to ShipSố ngày giao hàng | Same day or more | Same day or more | 5 Day(s) or more |
| Outer Dia. M(mm) | 4 ～ 24 | 4 ～ 16 | 4 ～ 16 |
| Stroke S(mm) | 1.5 ～ 8 | 1.5 ～ 5 | 1.5 ～ 5 |
| Tip Material | Stainless Steel | Stainless Steel | Stainless Steel |
| Body Material | Stainless Steel | Stainless Steel | Stainless Steel |
| Mounting Method | Screw-In | Screw-In | Screw-In |
| Initial Load (Range)(N) | 0.01~50 / 50.01~100 | 0.01~50 | 0.01~50 |
| Lock | Not Provided | Not Provided | Not Provided |
| Tip Heat Treatment | Not Provided | Not Provided | Not Provided |
| Screw Type of Pin Plunger | Spherical | Spherical / With Hex Socket | Spherical / With Hex Socket / Short Stroke |
| Wrench Hole Shape | Negative | Hex | Hex |
| Main Body Surface Treatment | Not Provided | Not Provided | Not Provided |
| Tip Surface Treatment | Nitriding Treatment | Nitriding Treatment | Nitriding Treatment |
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Specification/DimensionsĐặc điểm kỹ thuật / Kích thướcĐặc điểm kỹ thuật / Kích thước
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Outer Dia. M(mm)
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Stroke S(mm)
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Tip Material
- Steel
- Stainless Steel
- Plastic
- Others
- S45C
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Body Material
- Steel
- Stainless Steel
- Aluminum
- S45C
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Mounting Method
- Screw-In
- Press Fit
- Screw Clamp
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Initial Load (Range)(N)
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Lock
- Not Provided
- Provided
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Tip Heat Treatment
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Screw Type of Pin Plunger
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Wrench Hole Shape
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Main Body Surface Treatment
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Tip Surface Treatment
Related Categories to Spring PlungersDanh mục liên quan đến Spring Plungers
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.
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