Vintage and Electronics
Gray Plate
Large Gray Iron Plates for Workholding Made in China
We made these large plates for our client in USA. Their material is Gray Iron Class 35, with Brinell hardness BH 160-220. Their weights are from 60kg to 300kg per piece. Two front and back surfaces need to be grinded to Rz3.2. This is very smooth as mirror. There is no any sand holes or air holes on any surfaces or inside. This requirement is very high. These plates must be stress released by electric oven/furnace. Otherwise, the inside stress will cause the tiny deformation in the future. During machining, you have to machine them step by step. If you machine too much allowance in one time, the machining will cause the deformation, and this plate will be failed. Moreover, you have to find a large surface-grinding machine / flat grinder to grind it by one time.
As for the casting process, the resin sand moulding process will be necessary since the resin sand moulding can effectively prevent the deformation during cooling period.
Our iron foundry has produced these plates for over two years. Actually, we have not made them very well yet. We have not reduced the defective rates to low yet. This is also because of the typical shortcoming for sand castings. You never can prevent the air holes, sand holes and small shrinkage. We have bought a portable X-ray detector to check the inside shrinkage and sand holes, but we can not completely prevent the inside flaws.
For more information about gray iron plates, please check Dandong Foundry’s Blog.
For more information about our company, please check Dandong Foundry.
About the Author
Galen Wang has worked in iron foundry for many years.
suginami tunnels gray plate dungeon part 1
|
|
China Dinnerware Storage Deluxe Microfiber Protects $21.69 Protect your dishes in this set of 4 plate storage containers. Any type of dish, from the finest China to seasonal dishes can benefit by the use of these protective storage bags. The quilted Microfiber fabric is sturdy and soft, ideal for china storage. Included in this set are 12′ Dinner Plate Case, 9.5′ Salad Plate Case, 8′ Dessert Plate Case and a 7′ Saucer Case. Each case comes with 8 cushione… |
|
|
True Fabrications Picnic Stix Set $9.99 Now you can enjoy your wine outdoors with the new,innovative picnic stix! No long will you have to worry about where to set your wine since the picnic sticks will hold your bottle and glass when theres no table nearby. Comes with one bottle and two glass holders…. |
|
|
China Cup Storage Chest – Deluxe Quilted Microfiber (Light Gray) (13H x 15.5W x 5D) $11.93 Protect your cups in this quilted china cup storage container. Any type of tea cup, from the finest China to small mugs can benefit by the use of these protective storage bags. The quilted Microfiber fabric is sturdy and soft, ideal for china cup storage. This case is divided to hold and protect 12 cups. Save your dishes from nicks and scratches with these protective cases! Assembly level/degree o… |
|
|
Future House Anthems 2001 $14.99 CD 1: 1. Beat Goes On (Luxury Unlimited Mix) Ripple 5:12, 2. Disco People Glamour Inc. 3:55, 3. Let Yourself Go (Original Mix) Master Freakz 4:24, 4. Voices (Dub Mix) Solar 4:49, 5. Let The Freak (Original) Big Ron 4:22, 6. Every Woman Needs Love (Full Intention Dub) Stella Browne 3:25, 7. Feel The Real (East West Mix) David Bendeth 6:32, 8. What You Need (Richard F Angels Mix) Powerhouse 3… |
|
|
3M Scotch 4011 Exterior Mounting Tape, 1 in x 60 in $2.49 1X60 EXTER MOUNTING TAPE: Super strong exterior double stick mounting tape. Use exterior or interior, industrial quality adhesive, weather-resistant. No nails, screws, or tacks necessary. Holds up to 5 lb. 1″ x 60″ roll…. |
|
|
Leviton 80411-W 3-Gang Decora/GFCI Device Decora Wallplate, Standard Size, Thermoset, Device Mount, White $0.01 This product is a Decora-style three-gang wallplate. It features 3 Decora-style openings, ideal for any Leviton Decora insert, including GFCIs, electrical devices, lighting controls and Decora Multimedia QuickPort Inserts. Electrical and low-voltage applications are combined in one multi-gang plate with the addition of a barrier box. It is non-combustible and easily cleaned. Screws are provided. T… |
|
|
Leviton 4937 Weatherproof Inlet on Flush Mount Wallplate with Aluminum Cover, Straight Blade Receptacle, Gray $9.99 3-wire outdoor receptacle has waterproof plate and cover. Use with parallel blade grounded connectors…. |
|
|
Kikkerland Biodegradable Paper Straws, Gray and White Striped, Box of 144 $5.88 Grey Paper Straws… |
|
|
Remington S9520 Salon Collection Ceramic Hair Straightener with Pearl Infused Wide Plates, 2 Inch $29.99 Description:Combining advanced technology, high-performance ceramic coating, and real crushed pearls, the Remington T|Studio Pearl Ceramic 2-Inch Straightener delivers professional, salon-quality results with each use. It quickly reaches a top heat of 450 degrees Fahrenheit and has precise digital controls with temperature lock so you can enjoy smooth, silky hair in just minutes.Features: Pearl ce… |
|
|
Turboion Rbb Croc Classic Straightener, Black Titanium Plates, 1.5 Inch $74.00 CROC PRODUCTS by CROC TITANIUM CLASSIC 1 1/2″ FLAT IRON… |