Your Guide to Hytrol Terminology – Part 5


Nov 19, 2018 / by S&H Systems

An advanced company founded in 1947, Hytrol has pledged to provide the best material handling solutions to their many customers since day one. S&H Systems is proud to be a partner of Hytrol; they offer outstanding technology and services in order to achieve success for our clients. Since our team uses Hytrol products on a frequent basis, we make sure all our employees are proficient in Hytrol terminology. Take a look at this next segment of our Hytrol terminology blog series to add some new terms to your vocabulary.

Part 5 of Common Hytrol Terminology: N-P

Negative Crowned Pulley – A pulley with raised areas set equally in from each end. This crown is used on tail pulleys 24 in. OAW and wider and aids in belt tracking.

Net Lift – The net vertical distance through which material is moved against gravity by a conveyor.

Nip Point Guard – A guard placed to eliminate points or areas on the conveyor where injuries might occur.

Nose Roller – A small roller, used on power belt curve conveyors, to reduce the gap at the transfer points.

Nose Over – A section of the conveyor with transition rollers placed in conveyor to provide a transition from incline to horizontal or horizontal to incline.

O-Ring – Polyurethane bands used to transmit drive power from roller to roller or spool to roller. (138-NSP, 190-NSP, E24, 138-NSPEZ, 190-NSPEZ)

Overall Length (OAL) – The dimension to the outside of pulley including belting or lagging, of any conveyor lengthwise.

Overall Width (OAW) – The dimension outside to outside of frame rails.

Overhead Drive – A drive assembly mounted over a conveyor which allows clearance for the product.

Package Stop – Any of various devices, either manual or mechanical, used to stop flow on a conveyor.

Parts Conveyor – A conveyor used to catch and transport small parts, stampings, or scrap away from production machinery to hoppers, drums, or other operations. (PC, PCA, PCX, PCH)

Photo Cell – An electrical device used to sense product location.

Pivot Plate – The gusset which attaches the conveyor to the support leg.

Plastisol Coating – Poly-vinyl chloride (PVC) covering for roller tubes to prevent product damage or marking. Usually (#70 durometer) green or (#90 durometer) red in color.

Plow – A device positioned across the path of a conveyor at the correct angle to discharge or deflect objects.

Poly-Tier – Supporting members capable of supporting more than one level of the conveyor at a time. Each tier has a vertical adjustment for leveling the conveyor.

Pop-Out Roller – A roller, normally placed on the ends of a belt conveyor, used to aid in the transfer and set in a wide groove to allow it to eject if an object comes between it and the belt.

Portable Conveyor – Any type of transportable conveyor, usually having supports which provide mobility.

Portable Support – Supporting members which provide conveyor mobility by use of casters or wheels.

Positive Crowned Pulley – A pulley which tapers equally from both ends toward the center, the diameter being the greatest at the center. The crown aids in belt tracking.

Power Belt Curve – A curve conveyor which utilizes a belt, driven by tapered pulleys.

Power Conveyor – Any type of conveyor which requires power to move its load.

Powered Feeder – A driven length of belt conveyor, normally used to move product horizontally onto an incline conveyor.

Prepaid – Freight moves prepaid

Pressure Roller – A roller used for holding the driving belt in contact with the load carrying rollers in a belt driven live roller conveyor.

Product Footprint – The surface of the product that comes in contact with the belt, rollers, or wheels of the conveyor.

Pulley – A wheel, usually cylindrical, but polygonal in cross-section with its center bored for mounting on a shaft.

Push Button Station – An electrical device which operates a magnetic starter.

Pusher – A device, normally air powered, for diverting product 90° from one conveyor line to another line, chute, etc.

Contact S&H Systems to Learn More

S&H Systems is proud to share our knowledge and expertise with others in the industry. If you have questions about any of our products or solutions, visit our website or give us a call today.