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  • Amtech Investment Casting Private Limited

    Rajkot, Gujarat

  • Year of Establishment: 2006
    IndiaMART Member Since: 2009
    Products [66]

    Mobile: +(91)-9879817994

Established in year 2006, we, “Amtech Investment Casting Private Limited”, are an ISO 9001:2008 certified organization and have emerged as one of the eminent manufacturers, suppliers and exporters of an impressive range of Investment Casting Products. These products are highly appreciated for their special features and are used in various industries like hardware, petrochemical, textile, food and pharmaceutical. ISO 8062 CT8 & CT9 standards are considered while undertaking general casting tolerance for sand casting.

 

Our organization has continuously catered to the varied demands of the clients through its experience and knowledge of the domain. We have a multifaceted infrastructure that has been divided into various sections for better performance. The quality unit of our organization has been facilitated with proper quality testing tools that our analysts use for quality checks throughout the production procedure. We have incorporated a capacious storage facility that offers ample area of storage as well as sorting. It also provides adequate protection to the products. We use ceramic core process to manufacture these castings with very small holes and gaps. These products are in conformation with international standards and specifications such as ASTM, ASME, DIN, EN, NACE and MIL. Apart from this, we have also earned PED 97/23 EC, AD-WO and Indian certificates. This has enabled us to capture a wide market and establish a reputation amidst our esteemed clients.

 

Under the guidance of our mentor, 'Mr. Manish Bhalala', a graduate in metallurgy engineering from MS University and having 11 years experience in investment casting, our organization has continuously risen to new heights and made countless endeavors. The knowledge and experience he possesses allows us to continuously progress in the domain.

Product Portfolio

We are amongst the prime manufacturers, suppliers and exporters of an extensive range of Investment Casting Products that are fabricated from superior quality material like wax, colloidal silica, ceramic stuco, Zr sand and Zr flour, under the constant surveillance of our team of expert professionals. These products conform to the norms and parameters of the international quality standards. Following are the products we offer in our range:


Category

Products

Industrial Valves

  • Ball Valve Casting Flange End

  • Safety Valve

  • Globe Valve

  • Gate Valve Wedge

  • Butterfly Valve Body

  • Butterfly Valve Stem Disc

  • Butterfly Valve Disc

  • Ball Valve Screwed End

  • Swing Check Valve or Non Return Valve

Pumps & Impellers

  • Impellers

  • Centrifugal Pump

  • Submersible Pump Parts

  • Self Priming Pump

  • Pressure Pump

  • Mechanical Seal

  • Berrel Pump

Hardware & Space Frame Components

  • Glass Fitting Spider

  • Door Lock

  • Door Handles

Orthopedic Implants

  • Orthopedic Implants

Automotive Components

  • Automotive Components

Railway Components

  • Railway Components

General Engineering Components

  • General Engineering Components

Aeronautical & Aircraft Components

  • Aeronautical & Aircraft Components

Oil Field Equipment Components

  • Oil Field Equipment Components

Textiles Machine Components

  • Textiles Machine Components

Food, Pharma & Beverage Machine Components

  • Food, Pharma & Beverage Machine Components

Gas Turbines Components

  • Gas Turbines Component

Other Typical & Mechanical Parts

  • Other Typical & Mechanical Parts


Application Areas

We have been appreciated in the global market for our relentless efforts to satisfy the needs and demands of our esteemed clients precisely. Apart from maintaining the quality and diversity of our product line, we also offer our customers customization options. We ensure that the customization process does not hinder the qualitative aspects of our product. Owing to these reasons, our range of products is used in the following:


  • Valves
  • Textile
  • Machinery
  • Pumps
  • Earth Moving Equipment
  • Medical
  • Marine
  • Engineering

Our Team

Our organization has the support of a competent team of individuals, who have proven to be efficient in different tasks they perform. Our professionals are well versed with understanding the versatile changes of the industry and act according to these changes. Every member has developed expertise in their respective departments. Our professionals work sincerely in perfect harmony for enhancing the quality of products. The personnel of our organization are encouraged to come up with innovative techniques for developments.

Casting Capabilities

We offer to our customers turn key rapid prototyping projects in order to speed project development time for new units analysis or in case of low production units. We have 3D modeling facilities; therefore, we can accept files like DWG, IGES, UG and Pro-e files. These 3D Models help in making design and ideas about methoding at the time of development to achieve sound casting, which helps in east technical discussion with clients.

 

Weight Range of Single Casting

 

Investment Casting - 0.05 grams to 100 kilograms

Sand Casting - 5 to 250 kilograms

 

Size of Casting:

 

600 x 600 x 400 max

 

Production Capacity:

 

Investment Casting - 30 MT/month

Sand Casting - 30 MT/month

 

Spare Capacity:

 

15 MT/Month

 

For General Casting Tolerance for Investment Casting Table Refer Temp Location

 

Flatness:

 

General Flatness tolerance is ± 0, 25 up to 100 sq. mm of surface area

 

Perpendicularity:


Perpendicularity tolerance of a plane is generally 0.8% the plane length. Basically, when A is the dimension of the shortest plane and B the dimension of the longest one, plane A will be perpendicular to surface B with a tolerance of 0,008 x A. 


Dimensions (mm) Precision Grade
Normal Premium
From To Deviation
+ or -
Tolerance
Range
Deviation
+ or -

Tolerance
Range

  6 ± 0,10 0,20 ± 0,08 0,16
6 10 ± 0,12 0,24 ± 0,10 0,20
10 14 ± 0,15 0,30 ± 0,12 0,24
14 18 ± 0,20 0,40 ± 0,14 0,28
18 24 ± 0,25 0,50 ± 0,17 0,34
24 30 ± 0,30 0,60 ± 0,20 0,40
30 40 ± 0,36 0,72 ± 0,25 0,50
40 50 ± 0,42 0,84 ± 0,30 0,60
50 65 ± 0,49 0,98 ± 0,35 0,70
65 80 ± 0,58 1,16 ± 0,42 0,84
80 100 ± 0,68 1,36 ± 0,48 0,96

Investment Casting Process

Investment Casting Process

  • Wax Injection: The process begins with production of a heat disposable pattern, which is made by injecting wax into a metal die or mold. This pattern is injected in horizontal automatic injection machine and is provided with water cooling system to reduce cycle time. This also helps in achieving dimensional control of the pattern. Resting gauges are used for very close dimension control pattern.
  • Pattern Assembly: The wax patterns are attached by the gate to a central wax runner system called sprue. Patterns, runners, and pouring cup compromise the cluster. To avoid rejection due to sand inclusions, radius is provided to all the joints between pattern and runner before coating.
  • Shell Building: The shell building technique involves dipping the assembly into a ceramic slurry and then into a bed of extremely fine sand. After drying, the process is repeated. Up to 4 to 6 layers are applied in this manner. All shells are dried in close range of temperature (22 – 26º C). Organic fiber in secondary slurry bath is used to reduced cycle time and number of coats. This helps in improvement of permeability of shells.
  • Dewax Operation: The shells are then placed in a steam autoclave where the pattern melts and runs out through the gates and pouring cup. To maintain the quality of wax, auto clave de-waxing operation is used.
  • Shell Sintering: The ceramic shell molds must are pre-heated at the range of 800-1100 degrees centigrates to burn out the last traces of pattern material in preparation for casting. Rotary hearth furnish with three burners is used, which gives control in shell temperature.
  • Casting: The preheated shell is filled with molten metal by gravity pouring. As the metal cools, the parts, gates, sprue, and pouring cup become one solid casting.
  • Shell Removal (Knockout):
  • Shot Blasting: Casting to be shot Blasted to remove all small ceramic particles. We also can supply casting with glass bead blasting or sand blasting if customers require.
  • Casting Removal (Cut Off):
  • Finishing Operation (Gate Grinding): The remaining gate protrusions are removed by belt grinding.
  • Heat Treatment: Casting is heat treated in 1 ton. capacity heat treatment furnace. Same has been calibrated as per standard APA 6 A.
  • Final Operation: Finally, casting is dimensionally accurate is rigorously inspected, and packed as per customers' specifications. Before dispatching the final range, these products go through various tests like die penetrate, magnetic particle and radiography.

Why Us?

The support of an experienced staff and a robust infrastructure has equipped us to deal with the changing environment of the market. Our organization ensures that all products are in compliance with the industry standards. We supply our products with very small holes and gaps by using ceramic core. The efforts of our team members have assisted us in reaching new heights of success. Following are the factors that set us apart from our competitors:


  • Latest facilities
  • Experienced professionals
  • Wide assortment of products
  • Design Assistance
  • Timeliness
  • Technical Assistance
  • Customized solution
  • Online Sampling
  • Stringent quality analysis
  • Wide distribution network


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