What is a Die Casting Draft Angle

Die Casting 101: What is a die casting draft angle? Die casting is not very new. Engineers and manufacturers have known the process of die casting metal parts. Die casting refers to the manufacturing of metal parts and products in the procedure of pushing melted metal alloy inside a steel mold. With high pressure and velocity, the melted metal is pushed and hardens into sturdier metal parts utilized in several ways reliant on what the product is formed for (e.g. car parts, compartments, lighting fixtures, and so on). A person might be think, “how can the liquid metal, as it hardens and stabilizes, not get trapped inside the die?” The answer is because of the draft angle.

What is a die casting draft angle? Draft angles are the narrow slopes merged in the surface of the area inside the die cast, typically recognized on both the opening direction of the die and its sliding cores. What is a die casting draft angle for? To answer the question asked above, a draft angle is a factor of the procedure of die casting that allows the die cast part to be expelled in an easier way. Contingent on what the metal part is, the proper measure of drafts should follow to the die cast part in order to support, both the surface of the die cast and the surface of the metal part inside.

What is a die casting draft angle’s operation during die casting? Draft angles are merely combined inside of the die, making its opening broader than its base so that it can effortlessly be ejected.

Kinetic Die Casting blog on Blogspot, writes about Aluminum Die Casting Parts also writes about Die Casting Draft Angle. Look at this website page for more details: www.kineticdiecasting.com/draft.html. Contact Kinetic Die Casting Company at 818-982-9200 or email us at sales@kineticdc.com. Use this webpage to request "die casting part prices" www.kineticdiecasting.com/replyform.html

How Die Cast Parts Can Save the Planet

How Die Cast Parts Can Save the Planet. A die casting company will be proud to know that die cast parts are recyclable parts. This means that after they expire from their present condition, they can be used in other applications so as not to waste precious metals and metal alloys that can otherwise harm the environment if left around for scrap. Because the market for die casting, as opposed to other casting methods, is steadily and continuously growing, product engineers can rest easy knowing there is a proven recycling infrastructure waiting to reclaim die cast parts that have been recycled or reused, and a die casting company that is actively involved in the process can feel proud about affecting the world in a positive way.

The great news is that this seemingly simple yet largely contribution recycling pattern now applies to most of the die cast parts being manufactured today. Variations are observed on the amount of reclaimed alloy that are to go to primary and secondary producers, as well as the type of applications the recycled or reused die cast parts are to be employed in.

Unknown to many, the die casting process is not a product of modern times. It is in fact an age-old secret that has been around for way past a century now and has been further developed through the years with new innovations. With the recycling ability that it offers, there is no doubt that the die casting process can enjoy more popularity and longevity in the coming years. With the many advantages that die cast parts offer, a die casting company can attain success and save the planet at the same time.

Draft Angle of Aluminum Die Casting Parts

When someone asks me “what is Draft Angle of Aluminum Die Casting Parts?” or “why do I need a draft angle on my aluminum die casting box part?” The technical answer is, all aluminum die castings require a draft angle on the walls of die cast box parts perpendicular to the parting plane or parallel to the slide interfaces. Since I have selling die cast parts for over 20 years, I find simple answers and provide simple calculations for my customers. What does that mean to the typical engineer, any engineer other than tooling or mechanical or professional buyer?

Aluminum Parts Die Casting Draft Angle

Aluminum Die Casting Parts need an angle to be ejected (extracted) from the die casting mold (die cast die). This draft angle is measured in degrees. The typical draft angle for an aluminum die cast part is two degrees. To measure two degrees of aluminum draft angle, one would measure the part on the larger section and deduct 0.017" for every degree of draft angle to calculate the thickness of the smaller section.

Aluminum Die Casting boxes require a draft

Aluminum Die Casting boxes require a draft angle to eject the parts. People ask me what is die cast draft angle and I try to give examples that most people can relate to, because most people do not have a need to concern themselves with how things are made, only what is made, and will it be what they need. I ask, “Have you ever noticed on a cupcake the bottom diameter is smaller that the top diameter?” or “Have you noticed that a cake pan has sides that slope in toward the middle of the pan?” That would be an extreme example of a draft angle. Aluminum die castings would stick inside the die casting tool, molds, or die casting die if there was not enough draft angle in the tool and part. The typical draft angle for an aluminum die casting part is two degrees per side. The calculation for that is simple if a person is familiar with die casting production part design, but is not familiar to most people.

Die Casting Aluminum Parts

Why Us Aluminum Cast Parts Die Casting Aluminum Parts Cast Parts Company We produce die cast tooling, die cast molds, die cast parts that are cast, machined and powdercoated. We are conveniently located in Southern California just two miles from the Bob Hope Burbank/Glendale Airport. We are less than an hour north of the Los Angeles International Airport (LAX). We are a few miles from the 5 freeway, the 170 freeway, the 134 freeway, the 405 freeway and the 101 freeway.  Die Casting Aluminum Parts

CAST PARTS PRODUCTION -  All About our Business: The Cast Machines KDC uses are computer-aided production control to produce and ship cast parts to our customers on time. We will usually ship quality products in four weeks from the time the order is placed. We can expedite some cast part shipments in less then two weeks. Our die cast machine sizes range from 130 tons to 600 tons in our aluminum die casting machines. Our zinc die casting machines range from 150 tons to 350 tons. We make many types of die cast parts from less than an ounce up to a ten pound shot. High pressure die casting is a process we use to make aluminum die cast parts. We inject molten aluminum alloy metal under pressure into a steel die to produce aluminum parts. Diecasting is a very inexpensive aluminum part manufacturing process.

Solidworks V8 Engine

Racing car engine designed in Solidworks 3D design software. Many auto parts are designed using computers.

Draft angle requirements on aluminum die casting parts

Draft angle requirements
on
aluminum die casting parts

When someone asks me "what is draft angle?" or "why do I need a draft angle on my aluminum die casting part?"  The technical answer is, all aluminum die castings require a draft angle on the walls of die cast parts perpendicular to the parting plane or slide interfaces.  Since I have selling die cast parts for over 20 years, I find simple answers and provide simple calculations for my customers.  What does that mean to the typical engineer (any engineer other than tooling or mechanical) or professional buyer?

 

I try to give examples that most people can relate to, because most people do not have a need to concern themselves with how things are made, only what is made, and will it be what they need.  I ask, "Have you ever noticed on a cupcake the bottom diameter is smaller that the top diameter?" or "Have you noticed that a cake pan has sides that slope in toward the middle of the pan?"  That would be an extreme example of a draft angle.  Aluminum die castings would stick inside the die casting tool, molds, or die casting die if there was not enough draft angle in the tool and part.

The typical draft angle for an aluminum die casting part is two degrees per side.  The calculation for that is simple if a person is familiar with die casting production part design, but is not familiar to most people.

Aluminum Enclosure

Picture a box sitting on a table with the open side up.  The box is 2" deep inside with the height and width 4" each way on outside.  The walls of the box are 0.10" thick.  Due to the wall thickness, a few things are evident to a part designer concerning this simple box:

• The overall height of the box is 2.10" tall.
• The interior of the box at the top of the opening is 3.80" x 3.80".

A 2 degree draft angle will change the dimensions in the following on the interior and exterior and should be considered if something needs to fit inside or outside: box:

• The top inside dimension will be 3.80" and the bottom inside will be 3.664"
• The top outside dimension will be 4.00" and the bottom outside will be 3.864"

If box design for the interior of 4" x 4" at the bottom: box:

• The top inside dimension needs to be 4.136"
• The outside top dimension will be 4.336".

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Enclosures and Housings.  Automotive parts.  Chocolate Fountain.  Golf Ball Heater.  Guitar Amplifier Chassis.  Aluminum Handle Hardware.  Roofing Tilemolds.  Aluminum Lighting Fixtures.  Aluminum brackets.  Golf Product.  Guitar Amplifier.  Roofing Tile Molds.  Aluminum HeatSinks.  Tooling.  Lighting Fixtures.  Aluminum Parts. Blogspot. Kineticdc.

These are examples how a simple box needs to be considered with end result in mind.  More complex shapes require quite a bit more thought and consideration.  Call me if you have a design in mind and I will give feedback on the draft details.

Bob Thomas, President
Kinetic Die Casting, Inc.
6918 Beck Avenue
North Hollywood, California USA 91605
818-982-9200 telephone
818-982-0877 fax