Articles

Sheet Extrusion 27 Jun 2011

Determining the Maximum Machine Direction Orientation (MDO) Possible for Sheet

Given a set film thickness, width and material, how to you determine how much machine-direction orientation (MDO) is possible for a sheet.

Materials 27 Jun 2011

Commodity & Engineering Resin Prices Heading Lower

Entering the third quarter, prices of the four commodity thermoplastics are expected to be flat or lower. The outlook is similar for “commodity” engineering resins—ABS, PC, and nylon 6 and 66. Reasons include lower feedstock costs, slowed demand, improved supply, and low exports.

Recycled Materials 27 Jun 2011

Lower Prices Expected

Some of softness is the result of pressure from sagging virgin prices. The economic outlook is a factor too.

Mold Maintenance 27 Jun 2011

The Tools of Tool Maintenance

The root cause of many mold and part issues are ultimately determined by the ability to measure something within one or two tenths of a mil. Readings with precision measuring tools can determine whether a tooling component is to be reused, reworked, or scrapped out.

Sheet Extrusion 27 Jun 2011

Dead Screw Talking

There's a lot you can learn by conducting a post-mortum examination of your screw.

Extrusion 27 Jun 2011

Energy Miser: Reducing Compressed-Air Usage

Many manufacturing sites operate on the assumption that compressed air is free. Usage is totally uncontrolled, and open air lines cost real money.

nanocomposites 27 Jun 2011

Novel Fuel Systems Power Blow Molder’s Growth

Nano technology gives The Plastics Group a leg up on developing fuel systems for non-automotive applications

scientific molding 27 Jun 2011

Mold Filling Simulation: What, When, Why, How

Mold-filling analysis is the right direction to go, but if you want to arrive at your destination—good parts and an efficient process—you’ll need to pay attention to all the details and select an experienced professional to do the analysis.

PET Processing - Extrusion 27 Jun 2011

Look Before You Leap: When Direct Extrusion Makes Sense

The process offers great opportunities to extrude a better product at less cost, but it’s not for everyone. The formulation, product mix, and anticipated volumes must be carefully assessed to determine whether DE is the preferred manufacturing methodology.