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Embossing 101

Material memory, actuations, springback...

Do you need some clarification on embossing terms?
Graphics Output can help.

We touch embossed materials everyday. Credit cards, control buttons on gas pumps, blenders, microwaves, and adjustable beds are examples of things that have embossing. Embossing involves the creation of an impression by placing dies in contact with the stock under high pressure, usually with the addition of heat to help the material conform. This process produces a raised, embossed surface that we love to run our fingers over.

embossing

Graphics Output offers this dynamic option to graphics and supply chain solutions for a many industries including: petroleum, electronics, RV/ORV, healthcare, agricultural, food service. We consider ourselves masters of the trade, and have developed this these quick tips to help answer your questions.

Embossing

These special words or expressions are used frequently when discussing embossing.

jargonRadius - Recommended minimum corner radius is .032”. Completely square corners are not possible because they will crack or tear the material.

Spacing - Typical minimum space between embossed areas is .125”. Minimum recommended spacing from embossing to edge of overlay is .250”.

Height - Embossing is typically two-dimensional and 1.5 times the thickness of the base material. Embossing height should not exceed 2.5 times the material thickness for functional keypads. If additional emboss height is required, a spacer may be added.

Springback / Material Memory - where the elastic properties allow the material to return to near original shape after it has been embossed

concave convexConcave Edge - The outer edge of an emboss where the material curves inwardly  

Convex Edge - The upper edge of an emboss where the material curves outwardly 

 

embossing sample

 FREE OFFER

FEEL and SEE the difference of all kinds of embossing with this FREE sample sheet. No more guessing when you are specifying embossing orders.

REQUEST EMBOSSING SAMPLES
 

 

 

 

 

What to consider when choosing the right embossing material

The right material depends on your project.

Consider:

  • Life expectancy
  • Environmental conditions
  • Number of actuations
  • Amount of tactile feel required
PRO TIP: Polyester is twice as strong as polycarbonate and more elastic
  • Polycarbonate has approximately .005-.006” springback in embossing.
  • Polyester has approximately .008- .010” springback.
  • Tooling for polyester should have a profile approximately 30-40% higher than that required for polycarbonate.
PRO TIP:  Keep in mind emboss height is really determined by base material, with the rule of thumb being 1.5x the base material. This height yields the best tactile feel and life for the embossed area.

 

Looking for something extra?

Consider applying tactile metal domes to the backside of the final emboss. These metal domes offer an increased tactile feel with a considerably stronger “snap” during actuation. They also increase durability of the button and protect the material against wear from any actuators on the underlying sub-assembly.

metal buttons

Embossing Styles

Download a handy reference sheet.

RIM

  • Only perimeter raised
  • Round or square base shape
  • Rounded smooth convex edge
  • Hard concave edge

Rim embossed keys are usually raised .005" to .015" high and .040" to .070" wide.

Fully embossed keys (i.e. pad, dome) are usually raised .010” to .020” high.

Rim Embossing


DOME

  • Entire key raised
  • Round base shape
  • Rounded smooth convex edge
  • Hard concave edge

dome embossing


3 PAD EMBOSSING STYLES

  • The entire key is raised
  • Any pad emboss will be flat on top

oneSTANDARD RAISED FLAT

  • Entire key raised flat on top
  • Round or square base shape
  • Hard concave & convex edges

standard emboss raised flat


twoPILLOW

  • Entire key raised flat on top
  • Square base shape
  • Rounded smooth convex edge
  • Hard concave edge

pillow embossing


threePLATEAU

  • Entire key raised flat on top
  • Square base shape
  • Angled convex edge
  • Angled concave edge

plateau embossing

The dedicated team at Graphics Output has over 30 years of experience working with engineers to get the right product for the right project everytime. In addition to the standard base materials of polycarbonate and polyester, Graphics Output also embosses PVC's, rigid vinyls, aluminum foils, synthetic stocks, and paper for products such as logo's, model designation, signs, and placards. By approaching embossing from a technical/engineering aspect, your overlays will look good and work better.

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Shawn Van Pelt
Shawn Van Pelt
Shawn Van Pelt is an accomplished industrial graphic sales engineer with over three decades of material and production experience. He strives to be a great partner to his clients and bring practical solutions to their graphic needs by combining his problem-solving skills, extensive industry background, and knowledge of the customers' needs. In addition, he's friendly, outgoing and very helpful.