Mold making
Mold making

Experienced mold design engineers

Precision Steel mold making for mass production

Aluminium mold for medium quantity batch processing

Advanced Equipment and Latest Technology

Gray Iron Sand Casting Parts

China's fast sand casting manufacturer, custom low price fast delivery gray iron sand casting parts for industrial forming.
  • Brand Name: JTC
  • Material: Gray cast iron
  • Surface Treatment: No Burrs
  • Production Method: Making molds, Casting blanks, Post machining, Finishing
  • Certificates: Material certificate, QC reports, ISO 9001
  • FOB Price: $1.00-$100/Pieces
  • MOQ: 1 Pieces
  • Supply Ability: 5, 000, 000 Piece/Pieces per Month
  • Payment Terms: T/T, L/C, Western Union, Paypal payments
  • Delivery Time: About 3-5 days
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Quality Control
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Surface Finishes

Mock Up Display Name Applicable Materials Colors Can be applied with

Metal Rapid Prototyping Sheet Metal Surface Finishes Polishing-JTC Machining Parts

Tumbling/Polish metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA,PA etc.) Customized All post processes except Electropolish

Sand Blasting CNC Machining Surface Finishes-JTC Metal Rapid Prototype Services

Sand Blasting metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA,PA etc.) Customized All post processes except Electropolish

Die Casting Rapid Prototyping Surface Finishes-JTC Machining Parts

Black Oxide Steel, Stainless Steel Black Media Blasting, Tumbling, Passivation

Aluminum Sheet Metal Mold Making Surface Finishes Anodizing-JTC Machining Parts

Anodizing

Aluminum Clear, black, grey, red, blue, gold etc. Tumbling/Polish, Media/Sand Blasting, Type II Anodizing* Type III Anodizing*, Type III Anodizing with PTFE*, Alodine*

Metal Raw Materials CNC Machining Parts Surface Finishes Powder Coating-JTC Machining Center

Powder Coating Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper Black (20% or 90% gloss), white (20% or 90% gloss) Customized

Custom CNC Machining Parts Surface Treatment Painting-JTC Machining

Painting metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) Customized Tumbling/Polish, Media/Sand Blasting

Chinese CNC Machining Components Surface Finishes Silk-Printing Silk Screen-JTC Turning&Milling Parts

silk-printing/silk-screen metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) Customized All post processes

OEM CNC Factory Surface Finishes Laser Etching Laser Engraving-JTC Machining

laser etching/laser Engraving metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) Customized All post processes

China OEM CNC Manufacturer Surface Treatment Chrome Plating-JTC Machining

Chrome Plating metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) Mirror surface Tumbling/Polish, High Polishing

Shenzhen CNC Machining Company Custom Parts Surface Finishes Nickel Plating-JTC Machining

Nickel Plating Aluminum, Steel, Stainless Steel Customized Media Blasting, Tumbling

Stainless Steel Sheet Fabrication Surface Finishes Zinc Plating-JTC Sheet Metal Build

Zinc Plating Steel, Stainless Steel Clear: light blue coating, black: glossy black coating Media Blasting, Tumbling, Passivation

Brushed metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) straight line and irregular line Tumbling/Polish, Media/Sand Blasting, Painting

Custom Metal Rapid Prototype Die Casting Sheet Metal Build Surface Finishes Electropolishing-JTC Machining Parts

Electropolishing Steel, Stainless Steel Customized Customized

Passivation Surface Finishes For CNC Machining Parts-JTC Surface Finishes Treatment

Passivation Steel, Stainless Steel Customized Black Oxide, Electroless Nickel Plating, Zinc Plating, Tumbling, Media Blasting

Special CNC Parts Surface Finishes-CD Grain Lines

CD grain lines metal materials(Aluminum, Steel, Stainless Steel, Brass, Bronze, Copper etc.) and plastic materials(ABS,PC,PP,PMMA etc.) Customized Tumbling/Polish, Media/Sand Blasting, Painting

CNC Machining New Visitors Cooperation Guide

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CNC Quality Control-CMM

CMM:
refers to an instrument capable of expressing measurement capabilities such as geometric shape, length, and circumferential graduation in a hexahedral space, and is also called a three-coordinate measuring instrument or three-coordinate measuring bed.
The coordinate measuring instrument can be defined as "a detector with three directions of movement, which can be moved on three mutually perpendicular rails. This detector transmits signals by contact or non-contact, and the displacement of the three axes. The measuring system (such as optical ruler) calculates the coordinates (X, Y, Z) of each point of the workpiece and the instrument for measuring various functions through a data processor or computer." The measuring functions of the CMM should include dimensional accuracy, positioning accuracy, geometric accuracy and contour accuracy.

 

 CNC Quality Control-Two Dimensional Measuring Instrument

Two Dimensional Measuring Instrument:
is used to measure the two-dimensional plane size and is widely used in various precision industries. It is mainly used in calipers and angle rulers that are difficult or impossible to measure, but play an important part size and angle in assembly, such as silicone, creepage distance of circuit boards, electrical gaps, control panel Lamp holes, certain sizes of plastic parts, etc., can also be used to take pictures of certain parts and pictures to analyze the causes of defects. Because the image measuring instrument uses the surface light or the contour light to illuminate the image obtained by the part, it is necessary to take points when measuring the part. It is not the most precise measurement for all parts using the two-dimensional measuring instrument. The best method and the most effective are selected. The most accurate way to measure the size of the parts.

 

CNC Quality Control-Pin Gauge                         

Pin Gauge:
is used to check the position, measure the size of the hole, check the distance between the two holes, and can also be used as a pass and stop gauge and to measure the depth of the hole. It is an indispensable inspection tool for the standardization of holes and uses international advanced laser detectors to detect workpieces. And it is widely used in various fields of high-precision technology such as electronic boards, circuit boards, molds, and precision machinery manufacturing.

 

CNC Quality Control-Height Gauge                         

Height Gauge:
an instrument used to measure the height of space points relative to the ground. It is widely used in online or batch testing. It can measure height, depth, groove width, inner and outer diameters, hole center distance, shaft center distance, Flatness, verticality, etc.

 

CNC Quality Control- R Gauge                         

R Gauge:
a tool for measuring the radius of an arc using the light gap method. When measuring, the measuring surface of the R gauge must be in close contact with the arc of the workpiece. When there is no gap between the measuring surface and the arc of the workpiece, the degree of the arc of the workpiece is expressed on the R gauge at this time. digital.

 

CNC Quality Control-Plug Gauge                         

Plug Gauge:
a measuring tool, commonly used are round hole plug gauge and  threaded plug gauge. The round hole plug gauge can be made into two kinds of maximum limit size and minimum limit size. Thread plug gauge is a tool to measure the correctness of internal thread size.

 

CNC Quality Control-Caliper                         

Caliper:
a measuring tool for measuring length, inner diameter, and depth. Digital calipers have the characteristics of intuitive reading, easy to use and versatile functions.

Micrometer:
a more precise length measuring instrument than vernier calipers, with precisions of 0.01mm, 0.02mm, and 0.05mm, plus an estimated one digit, which can be read to the third decimal place (thousands), so it is called a micrometer.

 

CNC Quality Control-Colorimeter                         

Colorimeter:

  • Measure the color and color difference reflected by the object.
  • Measure ISO brightness (blue light whiteness R457) and fluorescent whitening of fluorescent whitening materials.
  • Measure CIE whiteness (Ganz whiteness W10 and color cast value TW10)
  • Measure ceramic whiteness.
  • Measure the whiteness of building materials and non-metallic mineral products.
  • Measure the Hunter System Lab and Hunter whiteness.
  • Measure yellowness.
  • Measure the opacity, transparency, light scattering coefficient and light absorption coefficient of the sample.
  • Measure the ink absorption value.

 

CNC Quality Control-Thread Gauge                         

Thread Gauge:
is a tool to measure the correctness of internal thread size. This type of plug gauge can be divided into ordinary coarse teeth, fine teeth and pipe threads. Thread plug gauges with a pitch of 0.35 mm or less, thread accuracy of Class 2 accuracy and higher than Class 2 accuracy, and thread plug gauges with a pitch accuracy of 0.8 mm or less of Class 3 have no end stop probes. Thread plug gauges below 100 mm are taper shank thread plug gauges. 100 mm or more is a double-handle thread plug gauge.

Client: How to ensure the quality?

JTC: We have a complete set of advanced inspecting devices to ensure the product with high quality and we provide a full QC report to customers for approval before shipment.

Client: What is your production process after I placed an order with you?

JTC: Firstly the 3d files and BOM will be given to programming engineers to program the CNC tool path. Secondly our engineers will take the BOM and tool path list to CNC Machining Center. Thirdly the prototype will be delivered to post finish center to clear the burrs after CNC Machined. Finally if you need effects like painting silk-screen anodizing sandblasting plating drawbenchlaser-etching etc. we can make it as your requirements.

Client: What is the MOQ of your company?

JTC: The MOQ of our company is 1 piece.

Client: How many kinds of surface finish can be the final effect when delivery?

JTC: SLA Printing materials are Ordinary Resin Fake ABS Resin and Transparent Material; SLS Printing materials are Nylon/PA Nylon plus glass fiber.

Client: Is it possible to get a sample first?

JTC: Sure we could provide sample for your quality checking.

Client: How long do you need for making my parts?

JTC: We have always been dedicated to providing our clients with a rapid prototyping service. Generally speaking 3-5 days is OK.

Client: What industry does our business mainly cover?

JTC: Medical car home appliance digital products electronics industries.

Client: What are the materials can SLA/SLS Printing makes for the prototype?

JTC: SLA Printing materials are Ordinary Resin Fake ABS Resin and Transparent Material; SLS Printing materials are Nylon/PA Nylon plus glass fiber.

Client: What would be provided to you when we need to make a prototype?

JTC: 3D files(STP/STEP/IGS/IGES/X-T etc.are available for CNC Machining; STL format is OK for 3D Printing/SLA/SLS) and CMF(Color Material Finish).

 Client: Are you a trading company or manufacturer?

JTC: JTC Model is a professional rapid prototyping metal components Die-casting Injection molding manufacturer.

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