FAQ

Questions & Answers

What are the hours for your Sales Offices?

Hammond, IN – M-F       7:00 AM – 5:00 PM          Central Time Zone (CST or CDT)

1-800-626-6629 or 1-291-931-1450

Visalia, CA – M-F              7:30 AM – 5:00 PM          Pacific Time Zone (PST OR PDT)

1-559-651-2131

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What is CEMA?

From the CEMA site –

A TRADE ASSOCIATIONserving North American manufacturers and designers of conveyor equipment worldwide since 1933.

CEMA COMPANIESrepresent the leading designers, manufacturers and installers of conveyors, conveyor components, and material handling systems.

AN ORGANIZATIONfocused on voluntary adherence to design standards, safety, manufacture and applications to promote the growth of our industry and the advancement of material handling technology.

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Are you a CEMA (Conveyor Equipment Manufacturing Association) supplier?

Yes, Screw Conveyor Corporation has been a member and a manufacturer of CEMA defined parts for over 80 years.

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What does buying from a CEMA provide me versus a non-member?

First, the parts supplied by the members for basic components are interchangeable.  Thus, regardless of your location in North America, you can buy from a CEMA member and know the components are made to the same specification.

Second, the standard set by CEMA and approved by ANSI conveys a consistent and time tested level of quality on which a buyer can rely.

Finally, all systems provided possess safety documentation and labels aimed to protect your business and customers, as well as, the manufacturer.

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30” diameter screws running at 90RPM. Hanger bearings and shafting are lasting 2 weeks.

Problem:
A 30” diameter screws running at 90RPM. Hanger bearings and shafting were lasting 2 weeks.


Material:
Wood Chips, 3-5 PCF, .25” x2” x 4” and smaller size , Friable, 10-15% moisture.

Solution:
Reevaluated system design. Decreased RPM to 20. Increased level of loading to 30 to reduce load on bearings.

Result:
Hanger bearings are lasting 12 months plus.

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Bin would not discharge uniformly and had bridging problems.

Problem:
Bin would not discharge uniformly and had bridging problems.


Material:
Wheat midds. 25-30 PCF, 1/8” and smaller, 12% moisture

Solution:
Redesign screw so feeding was uniform across the length of the inlet and install strike off plates to stop the en-mass flow that was causing rat holing in bin.

Result:
Bin stopped bridging and inventory control was greatly enhanced. The first material into the bin was also the first material out.

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Material will not go up 15 degree incline. Material has flow characteristics similar to water. It is flowing back faster than it is going up incline.

Problem:
Material would not go up 15 degree incline. Material has flow characteristics similar to water. It was flowing back faster than is was going up incline.


Material:
Powder, 400 mesh,65 PCF. Dry very free flowing. Plastic

Solution:
Increase speed of conveyor.

Result:
Material was conveyed up incline at 15% fill with no problems. RPM was changed from 75 to 115.

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