When to Use ceramic pin gauge？

About Eisen Pin Gauges

Eisen pin gauges are precision measurement instruments manufactured by Eisen Co., Ltd., a Japanese company established in . Eisen offers many different types of pin gauges and accessories to meet the varied needs of individual users.

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Eisen offers a range of pin gauges made from a variety of materials, including steel, carbide, ceramic, and hard metal alloys. However, carbide and ceramic pin gauges are the most popular in industries. 

Ceramic Pin Gauge vs Carbide Pin Gauge

Ceramic and carbide pin gauges are indispensable tools for precision measurement. Their durability, corrosion resistance, and consistent performance make them ideal for a wide range of applications.

To understand the advantages of each, it is essential to delve into the specific differences between ceramic pin gauge and carbide pin gauge. The following comparison outlines the key distinctions.

Key Differences Between Ceramic and Carbide Pin Gauge

When to Use Which?

Use ceramic pin gauges if you require:

1. The highest accuracy

2. Measurements at extreme temperatures

3. Contact with corrosive chemicals

Use tungsten carbide pin gauges if you need:

1. High hardness

2. Good durability

3. A more affordable option

Recommended Ceramic Pin Gauge Products

1. Eisen Pin Gauge EC Series

The EC series contains 51 pin gauges made from fine ceramics (zirconia) that have up to ±1.5μm tolerance for high precision measurements in micron units. Each standard size increases by 0.01 mm increments and all pin gauges are 58 HRC or harder. Custom sizes and combinations can also be made to meet unique customer needs. Sizes are indicated on the plastic cases for gauges up to 1.49 mm and are laser engraved on gauges 1.50 mm and larger.

2. Eisen Pin Gauge ECS Series

The ECS series contains 51 pin gauges made from fine ceramics (zirconia) with handles that have up to ±1.5μm tolerance for high precision measurements in micron units. Each standard size increases by 0.01 mm increments and all pin gauges are 58 HRC or harder. Custom sizes and combinations can also be made to meet unique customer needs. Sizes are indicated on the plastic cases for gauges up to 1.49 mm and are laser engraved on gauges 1.50 mm and larger.

Recommended Carbide Pin Gauge Products

1. Eisen Pin Gauge EG Series

The EG series contains 51 pin gauges made from tungsten carbide that have up to ±1μm tolerance for high precision measurements in micron units. Each standard size increases by 0.01 mm increments and all pin gauges are 58 HRC or harder. Custom sizes and combinations can also be made to meet unique customer needs. Sizes are indicated on the plastic cases for gauges up to 1.49mm and are laser engraved on gauges 1.50mm and larger.

2. Eisen Pin Gauge EGS Series

The EGS series contains 51 pin gauges made from tungsten carbide with handles that have up to ±1μm tolerance for high precision measurements in micron units. Each standard size increases by 0.01 mm increments and all pin gauges are 58 HRC or harder. Custom sizes and combinations can also be made to meet unique customer needs. Sizes are indicated on the plastic cases for gauges up to 1.49mm and are laser engraved on gauges 1.50 mm and larger.

Eisen Distributor in Singapore

LFC PTE LTD is the authorized distributor of Eisen Pin Gauges in Singapore. Our expert team can assist you in selecting the ideal pin gauge solution to meet your specific requirements.

What is a Pin Gauge?  

Pin gauges are precision cylindrical pins designed to inspect the inner diameters of a workpiece. They function similarly to Go and No-Go gauges, helping to determine if a hole falls within specified tolerances. Pin gauges are also used to check for geometric deviations and are particularly useful for verifying the straightness of deep holes.

Pin gauges can be made from various materials, including steel, carbide, ceramic, zirconia, and hard metal alloys.  

- Steel  

If you are looking for more details, kindly visit RTP GAUGE.

- Ceramic (Zirconia)  

- Tungsten Carbide  

Pin gauges are available both individually and as sets. Sets typically contain a range of sizes with small increments, such as 0.01 mm or 0.001 mm, depending on the precision required. These small increments are crucial, as pin gauges are often used for measuring smaller holes that demand high precision and accuracy. Each pin is marked with its exact size for easy identification.

How to Use a Pin Gauge  

To use a pin gauge set, begin by inserting the smallest diameter pin gauge into the workpiece hole. Then, gradually insert larger pin gauges in order of size until you find the one that fits snugly in the bore. Do not force the pin gauge into the hole.  

The "Go" pin, which represents the lower limit of the bore, should fit smoothly without any force. The "No-Go" pin, representing the upper limit, should not fit, even with slight pressure applied. This method helps ensure that the hole is within the desired tolerance range.

Caring for Your Pin Gauge  

Regular maintenance and calibration are essential to ensure the accuracy of your bore inspections and extend the life of your pin gauge. Neglecting proper care can lead to unreliable measurements and early wear. Below are some key habits to help you maintain your pin gauge:  

Proper Usage  

Start by using your pin gauge correctly. Most pin gauges become inaccurate or damaged due to improper use. A common mistake is applying excessive force when inserting the pin gauge, which can alter its size or damage it. To avoid this, use a pin vise to handle the gauge. This reduces the impact of temperature changes from your hands and helps maintain the tool's precision.  

Proper Storage  

Proper storage is vital for extending the life of your pin gauge. Keep it protected from environmental factors like heat and moisture, which can affect its accuracy over time. We recommend using a dedicated container for your pin gauges. If you have a set, store each pin gauge in a separate small case to prevent contact and potential damage.  

Regular Maintenance  

Routine maintenance is crucial to ensure your pin gauge stays in good working order. Regularly inspect it for dirt, debris, and oil, as these can cause corrosion and affect performance. Keep the pin gauge clean and free from contaminants to ensure reliable measurements.  

Regular Calibration  

Calibration is essential to verify the accuracy of your pin gauge. While most manufacturers recommend calibrating once a year, the frequency should depend on how often the pin gauge is used. For tools with heavy usage, more frequent calibration is necessary to account for wear and tear. Regular calibration ensures the pin gauge remains accurate and reliable throughout its lifespan.  

Besides inspection of small holes, pin gauges can be used in many other ways:

- Distance between holes

- Calibrating micrometers

- Width of a groove

- Acceptance judgement

- Dovetail

- Inspection of engine parts

- Overpin diameter of gear

- Deflection of gear