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CX Nipple Shape Plastic Abrasive Media
- Description
- Feature
- Application
Size: 40X50 (axb)
50X60 (axb)
Shape: Nipple shape
Recipe: CX
Color: Standard Pink Color or customized
- Surface Finish Smoothing
- Excellent for Soft Metals
- Medium Density Tumbling Media
- Light Cutting
- Wide Selection of Shapes and Sizes
- Short Cycle Times
Designed for finishing and deburring hard-to-reach areas, this media helps remove deep burrs more easily from holes, slots, and recesses. Its specialized shape effectively reduces the risk of media lodging in parts, improving process stability and reducing rework.
Applications:
Aluminum deburring and surface smoothing
Zamak 3 components for pre-plating surface preparation
More Than Meets the Eye: Explore the CX Nipple-Shaped Abrasive Media
With its ingenious design (and unforgettable name), CX nipple-shaped abrasive media often sparks curiosity: why this shape, and what does it actually do in finishing? This guide walks you through the material basics, key advantages, and where it performs best.
Nature of the Material
CX nipple-shaped media is made from durable polyester resin and falls under plastic abrasive media. Compared with ceramic or porcelain media, plastic media is generally less aggressive, making it ideal for finishing soft metals and parts that require controlled cutting and a smoother surface.
Built with wear-resistant resin and quality abrasives, this media offers a strong cost-to-life ratio in long-term production use.
Available sizes (CX recipe):
40 × 50 mm
50 × 60 mm
It is typically supplied in a standard pink color, and custom specifications may be available upon request.
Features and Applications
1) Reaches deep features without lodging
The standout advantage is the nipple-shaped geometry, engineered to enter deep holes, slots, recesses, and crevices while reducing the chance of media lodging. This improves finishing consistency on complex parts and reduces downtime caused by stuck media.
2) Better deburring in hard-to-reach areas
CX nipple-shaped media is especially effective for:
Removing deep burrs in narrow or recessed features
Edge finishing and light cutting where standard shapes can’t reach
3) Smoother finishes with less surface pressure
Because plastic media is less hard than ceramic, it applies lower contact pressure to the workpiece. This helps produce a smoother finish and can achieve a low Ra (roughness average) depending on your machine, compound, and cycle settings. A lower Ra typically means:
Less friction and wear in service
Easier cleaning
Reduced chance of staining or material build-up
4) Great for soft metals and pre-plating preparation
Common use cases include:
Aluminum deburring and smoothing
Brass finishing
Zamak 3 components for pre-plating surface preparation (Zamak 3 is a zinc-based alloy commonly used in die casting)
5) Cushioning effect reduces part-on-part damage
Plastic media also provides a cushioning action, helping minimize part-to-part contact that can cause dents or surface damage—useful when maintaining cosmetic quality is important.
Related Products
More Than Meets the Eye: Explore the CX Nipple-Shaped Abrasive Media
With its ingenious design (and unforgettable name), CX nipple-shaped abrasive media often sparks curiosity: why this shape, and what does it actually do in finishing? This guide walks you through the material basics, key advantages, and where it performs best.
Nature of the Material
CX nipple-shaped media is made from durable polyester resin and falls under plastic abrasive media. Compared with ceramic or porcelain media, plastic media is generally less aggressive, making it ideal for finishing soft metals and parts that require controlled cutting and a smoother surface.
Built with wear-resistant resin and quality abrasives, this media offers a strong cost-to-life ratio in long-term production use.
Available sizes (CX recipe):
40 × 50 mm
50 × 60 mm
It is typically supplied in a standard pink color, and custom specifications may be available upon request.
Features and Applications
1) Reaches deep features without lodging
The standout advantage is the nipple-shaped geometry, engineered to enter deep holes, slots, recesses, and crevices while reducing the chance of media lodging. This improves finishing consistency on complex parts and reduces downtime caused by stuck media.
2) Better deburring in hard-to-reach areas
CX nipple-shaped media is especially effective for:
Removing deep burrs in narrow or recessed features
Edge finishing and light cutting where standard shapes can’t reach
3) Smoother finishes with less surface pressure
Because plastic media is less hard than ceramic, it applies lower contact pressure to the workpiece. This helps produce a smoother finish and can achieve a low Ra (roughness average) depending on your machine, compound, and cycle settings. A lower Ra typically means:
Less friction and wear in service
Easier cleaning
Reduced chance of staining or material build-up
4) Great for soft metals and pre-plating preparation
Common use cases include:
Aluminum deburring and smoothing
Brass finishing
Zamak 3 components for pre-plating surface preparation (Zamak 3 is a zinc-based alloy commonly used in die casting)
5) Cushioning effect reduces part-on-part damage
Plastic media also provides a cushioning action, helping minimize part-to-part contact that can cause dents or surface damage—useful when maintaining cosmetic quality is important.
Compatible Machines
The CX Nipple Shape Abrasive Media is compatible with a wide variety of machines that are used for polishing and finishing. A particular machine type where this tumbling media can be used is the vibratory finishing machines. Since these are used for deburring, surface smoothening, and polishing, you can use the nipple shape tumbling media according to your specific workpieces to be operated upon.
Since the CX Nipple Shape Abrasive Media is used for light cutting, this can also be used with the industry-leading and automated high energy, mass-finishing centrifugal disc finishing machine. Since it can be used to provide a high-quality finish to delicate and complicated workpieces, the nipple shape tumbling media can be used to give your workpiece the highest-quality of finishing.
The ingenious design of the tumbling media and the high-quality performance of these industry-leading machines combine to give you the best finish quality and cost-effective option for your business.
If you have any inquiries about the best-performing tumbling media and high-energy finishing machine that will provide you with your desired results, contact us. We will be happy to provide you with professional guidance and quotations to achieve the best quality of finishing that you deserve. Feel free to reach us now and be one of our partners!
Nipple shape vs other media shapes — when the geometry matters
The nipple shape is not a universal all-purpose choice. Its specific advantage comes from the geometry: the pointed end and tapered body allow it to enter recesses, holes and slots where cylindrical, triangular and spherical media cannot reach. Choosing the wrong shape for a complex part is one of the most common reasons for inconsistent finish in mass finishing.
| Media shape | Best for | Not suited for |
|---|---|---|
| Nipple (this page) CX recipe, 40×50 mm / 50×60 mm | Parts with deep holes, blind holes, narrow slots, internal recesses; complex die-castings; parts where media lodging is a concern | Flat or simple geometries where reach is not an issue — larger media would be more efficient |
| Cone / triangle / pyramid Plastic tumbling media | General deburring and smoothing of flat, simple, or external surfaces; edge rounding | Deep internal features — can’t reach; may lodge |
| Cylinder / star cut / angle cut Ceramic tumbling media | Aggressive deburring, heavy stock removal, harder metals (steel, titanium) | Soft metals (aluminum, zinc, brass) — ceramic is too aggressive; may scratch or gouge |
Plastic media vs ceramic media — choosing by material hardness
| CX nipple plastic media (this page) | Ceramic media | |
|---|---|---|
| Material | Polyester resin + abrasive | Ceramic (alumina / bauxite bond) |
| Cutting aggressiveness | Light — suited to soft metals and pre-plating finish | Medium to heavy — deburring of steel, cast iron |
| Surface pressure on parts | Low — cushioning effect; minimal denting | High — strong grinding action |
| Compatible part materials | Aluminum, brass, zinc die-cast (Zamak), copper, plastics | Steel, stainless steel, cast iron, titanium, hard metals |
| Typical finish stage | Pre-plating preparation; smoothing after machining; intermediate polishing | Initial deburring and edge rounding on hardened parts |
| Process type | Wet (standard); compound required | Wet or dry |
CX nipple shape — typical process parameters
| Parameter | Typical range / value | Notes |
|---|---|---|
| Media size | 40×50 mm (smaller) or 50×60 mm (larger) | Smaller size for finer features and narrower recesses; larger for general surface work |
| Machine type | Vibratory finisher or centrifugal disc machine | Both compatible; centrifugal disc gives shorter cycle times |
| Compound | Light cutting compound (plastic/non-ferrous grade) | Use compound rated for soft metal/pre-plate finishing; avoid aggressive steel-grade compounds |
| Water flow | Continuous low-flow (wet process) | Maintain solution level; flush compound residue from recesses |
| Cycle time | Aluminum deburring: 30–60 min Zamak pre-plate: 45–90 min Brass smoothing: 60–120 min | Adjust to target Ra; sample parts at intervals to confirm progress |
| Media-to-part ratio | 3:1 to 5:1 media:parts (by volume) | Higher ratio (5:1) for complex geometry; lower (3:1) for simple shapes |
Plastic media range from Inovatec
The CX nipple shape is one of three plastic tumbling media options available from Inovatec:
- CX nipple shape (this page) — for complex geometry with holes, slots, recesses; 40×50 mm / 50×60 mm; pink
- Standard plastic tumbling media — full range of shapes (cone, cylinder, triangle, star, pyramid, tetrahedron) in multiple recipes and sizes; for general surface finishing of non-ferrous metals
- Z1 zirconium polyester plastic media — premium plastic media with zirconia additive for improved grinding efficiency; more aggressive than standard CX recipe
| Processing aluminum, brass or zinc die-cast parts with internal features? Tell us your part material, hole/slot dimensions, batch size and target finish (Ra or plating spec). We confirm whether the CX nipple shape is the right fit and recommend the correct size and compound. |