Grd Polytechnic Dehradun Diploma in Gemstone Processing - Preshaper Admission 2024-25, Placements, Important Topics, Plantation

Gemstone Processing - Preshaper

Are you looking to enhance the beauty of your gemstones through proper processing techniques? One of the most effective ways to do so is by using a preshaper, which can help improve the shape, size, and overall appearance of your gemstones. In this article, we will explore the techniques and benefits of gemstone processing with a preshaper.

What is a Preshaper?

A preshaper is a device used to cut and shape gemstones before they undergo the final shaping and polishing process. This machine is an essential tool for lapidaries, jewelers, and gemstone enthusiasts who want to create beautiful, perfectly shaped gemstones.

How does a Preshaper Work?

The preshaper uses diamond or silicon carbide wheels to grind and shape the rough gemstone. The machine rotates the wheels at a high speed, and the operator moves the gemstone against the wheel to shape it. The preshaper can remove the bulk of the unwanted material, leaving a rough shape that is closer to the final shape. The gemstone can then be polished and refined further to achieve the desired appearance.

Benefits of Preshaping Gemstones

Gemstone Processing - Preshaper Saves Time and Money

Preshaping your gemstones can save you time and money by reducing the amount of material you need to remove during the final shaping and polishing process. By removing the bulk of the unwanted material, the preshaper reduces the time and effort required to create the desired shape, saving you money on labor costs and reducing wear and tear on your polishing equipment.

Gemstone Processing - Preshaper Creates More Precise Shapes

Using a preshaper can help you achieve more precise and consistent shapes for your gemstones. The machine can remove material more evenly than doing it by hand, resulting in fewer variations and imperfections in the final shape.

Gemstone Processing - Preshaper Increases Yield

By using a preshaper, you can increase the yield of your gemstones. The machine can remove material more efficiently, resulting in less waste and more usable material for future projects.

Gemstone Processing - Preshaper Enhances Gemstone Quality

Preshaping your gemstones can enhance their overall quality. By removing unwanted material, the machine can reveal the natural beauty of the gemstone, resulting in a higher-quality finished product.

Gemstone Processing - Preshaper Choosing the Right Preshaper

When choosing a preshaper, it's important to consider the size and type of gemstones you'll be working with. Some machines are designed for larger stones, while others are better suited for smaller ones. You should also consider the speed and power of the machine, as well as the quality of the wheels and the machine's overall durability.

Gemstone Processing - Preshaper FAQs

What types of gemstones can be preshaped?

A: Almost any type of gemstone can be preshaped, including diamonds, rubies, sapphires, emeralds, and more.

How much does a preshaper cost?

A: The cost of a preshaper can vary widely depending on the size and quality of the machine. Some smaller machines can cost a few hundred dollars, while larger, more advanced machines can cost several thousand dollars.

Can a preshaper be used to shape other materials besides gemstones?

A: Yes, a preshaper can be used to shape other materials besides gemstones, such as glass, ceramics, and even some metals.

Is using a preshaper safe?

A: Yes, using a preshaper is generally safe as long as proper safety precautions are taken, such as wearing eye protection and keeping long hair and loose clothing away from the machine.

Can beginners use a preshaper?

A: While it's best to have some experience working with gemstones before using a preshaper, beginners can learn how to use the machine with proper training and practice.

The individual works with high-speed rotating scaife machines with diamond or steel laps in order to give the rough cut gemstone the shape as per plan. Pre-shaping determines the shape, size and weight of the processed final stone.

JOB DESCRIPTION 

The tasks a Gemstone Pre-Shaper is expected to perform include: 

Giving a base shape to a gemstone for further faceting and polishing as required

WORK ENVIRONMENT 

It is a bench job 

Need not handle a team

Travelling is not required 

Work from home option is not available

Working hours

Most companies usually work for 6 days a week and 8 hours everyday. This may vary from company to company

Shift system maybe available in some organizations