An alternative to Lotension drive systems for applications where product movement or oil is a problem.

PosiDrive Spiral®

PosiDrive Spiral® is an alternative to Lotension drive systems. PosiDrive Spiral features a stainless-steel grid belt with driving tabs on the inside edge. The tabs engage and are driven by vertical ribs on the spiral center drum. PosiDrive Spiral is recommended particularly for applications where product movement is a problem, or where oils or other product characteristics cause operational issues with Lotension drive systems.

Features

Specifications

Options

Downloads

The positive drive concept of the PosiDrive Spiral keeps belt tensions low which helps increase belt life and allows for increased product load capacity.

The PosiDrive Spiral system allows product dwell time to be easily set using a simplified single speed control and is offered for various cage configurations making it ideal for new spiral systems.

Features Include:

Engineered inside belt edge designed to securely engage ribbed cage
Simple to use, easy to adjust single point speed control system
Steel welded legs that reduce flexibility in the belt
Self-synchronizing drive eliminates flip-ups
Easily retrofittable options to minimize conversion downtime
Factory service support available 24 hours a day, 365 days a year

PosiDrive at a Glance:

Prevents product movement and disorientation
A perfect solution for oily products
Designed for processing both heavy and lightweight foods
Ideal for retrofitting existing proofing, cooling, and freezing spiral applications

DIRECTION

SPIRAL

APPLICATIONS

FREEZER

SMOKER

COOLER

COOKER

DRYER

PROOFER

BLANCHER

PACKAGING

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Technical Specifications

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Technical Specifications	Units	Posidrive Grid 100
Longitudinal Pitch	in. [mm]	1.08 [27.4]
Minimum Turn Ratio		As low as 2 :1 standard. Turn ratios and configurations must be evaluated by Ashworth Engineering
Turn Capability		Uni-directional (left or right-must specify direction)
Available Widths: Straight	in. [mm]	12-40 [305-1016]; Wider belts need to be reviewed by Ashworth Engineering.
Available Widths: Curve/Spiral	in. [mm]	12-40 [305-1016]; Wider belts need to be reviewed by Ashworth Engineering.
Mode of Turning		Inside edge collapses in turn
Inside Conveying Surface	in. [mm]	Belt Width -2.69 [-68.33]
Outside Conveying Surface	in. [mm]	Belt Width 0.00 [0.0]
Allowable Tension: Curve/Spiral	lb. [kg]	200 [5080]
Allowable Tension: Straight	lb. [kg]	400 [10160]

Available Sprocket Options

Sprocket Reference

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Nom. Size	Display	Teeth	Pitch Diameter in (mm)	Hub Diameter in (mm)	Bore Min in (mm)	Bore Max in (mm)
3	#3-9 Hardened Steel	9	0	2.45 (62.23)	1 (25.4)	1.83 (46.48)
3	#3-9 T303	9	3.16 (80.26)	2.46 (62.48)	1 (25.4)	1.84 (46.74)
3	#3-9 T303	9	3.16 (80.26)	2.46 (62.48)	1 (25.4)	1.84 (46.74)
3	#3-9 T303	9	3.16 (80.26)	2.46 (62.48)	1.25 (31.75)	1.84 (46.74)
3	#3-9 T303	9	3.16 (80.26)	2.46 (62.48)	0.94 (23.81)	1.84 (46.74)
3	#3-9 T316	9	3.16 (80.26)	2.46 (62.48)	1.44 (36.51)	1.84 (46.74)
3	#3-9 UHMW	9	3.16 (80.26)	2.53 (64.26)	1 (25.4)	1.72 (43.69)
3	#3-9 UHMW	9	3.16 (80.26)	2.53 (64.26)	0	1.72 (43.69)
4	#4 UHMW FI	0	0	3.92 (99.57)	0.75 (19.05)	2.93 (74.42)
4	#4 UHMW I	0	0	3.92 (99.57)	0	2.93 (74.42)
4	#4-11 T303	11	3.83 (97.36)	3.18 (80.72)	0	2.07 (52.58)
4	#4-11 T303	11	3.83 (97.36)	3.18 (80.72)	0	2.44 (61.98)
4	#4-12 T303	12	4.17 (105.97)	3.54 (89.92)	0	2.8 (71.12)
4	#4-12 T316	12	4.17 (105.97)	3.54 (89.92)	0	2.8 (71.12)
4	#4-12 UHMW	12	4.17 (105.97)	3.45 (87.63)	0.75 (19.05)	2.46 (62.48)
4	#4-13 Celcon	13	4.4 (111.76)	3.9 (99.06)	1 (25.4)	2.91 (73.91)
4	#4-13 CI	13	4.53 (115.09)	3.91 (99.22)	0	3.04 (77.22)
4	#4-13 T316	13	4.53 (115.09)	3.91 (99.22)	0	3.04 (77.22)
4	#4-13 UHMW	13	4.53 (115.06)	3.9 (99.06)	1 (25.4)	2.91 (73.91)
5	#5-15 T303	15	5.2 (131.95)	4.58 (116.36)	0	3.59 (91.19)
5	#5-15 UHMW	15	5.2 (131.95)	4.58 (116.36)	2 (50.8)	3.46 (87.88)
6	#6 UHMW FI	0	0	5.65 (143.51)	0.75 (19.05)	4.29 (108.97)
6	#6 UHMW I	0	0	5.65 (143.51)	0	4.29 (108.97)
6	#6-18 CI	18	6.24 (158.5)	5.66 (143.67)	0	3.75 (95.25)
6	#6-18 Nylon	18	6.24 (158.5)	5.65 (143.51)	1 (25.4)	4.54 (115.32)
6	#6-18 T316	18	6.24 (158.5)	5.66 (143.67)	1 (25.4)	3.75 (95.25)
6	#6-18 UHMW	18	6.24 (158.5)	5.65 (143.51)	0	4.29 (108.97)
6	#6-18 UHMW FS	18	6.15 (156.16)	5.65 (143.46)	0	4.29 (108.97)
6	#6-18 UHMW Product Release	18	6.4 (162.51)	5.65 (143.46)	1 (25.4)	4.29 (108.97)
6	#6-18 UHMW Split	18	6.24 (158.5)	5.65 (143.46)	0	4.29 (108.97)
6	#6-19 T303	19	6.55 (166.47)	6.03 (153.21)	0	4.8 (121.92)
6	#6-19 UHMW	19	6.55 (166.47)	6.03 (153.21)	1.18 (30)	4.67 (118.62)
8	#8 UHMW FI	0	0	7.38 (187.45)	0.75 (19.05)	5.89 (149.61)
8	#8 UHMW I	0	0	7.38 (187.45)	0	5.89 (149.61)
8	#8-23 CI	23	7.41 (188.11)	7.41 (188.11)	0	5.9 (149.86)
8	#8-23 CI	23	7.96 (202.18)	7.41 (188.12)	0	4.75 (120.65)
8	#8-23 T316	23	7.96 (202.18)	7.41 (188.12)	0	4.75 (120.65)
8	#8-23 T316	23	7.97 (202.41)	7.41 (188.12)	1 (25.4)	4.75 (120.65)
8	#8-23 UHMW	23	7.96 (202.18)	7.39 (187.71)	1 (25.4)	5.9 (149.86)
8	#8-23 UHMW Split	23	7.89 (200.33)	7.39 (187.63)	0	5.9 (149.86)
10	#10-31 CI	31	10.72 (272.29)	10.16 (258.06)	0	8.67 (220.22)
10	#10-31 T316	31	10.72 (272.29)	10.16 (258.06)	0	8.67 (220.22)
10	#10-31 UHMW	31	10.66 (270.76)	10.16 (258.06)	0.99 (25.02)	8.42 (213.87)
12	#12-37 UHMW	37	12.74 (323.49)	12.24 (310.79)	0.99 (25.02)	10.49 (266.45)

NOTES:

UHMWPE material type components have a 150°F [66°C] maximum operating temperature.
Maximum bore sized listed for UHMWPE material is based on 1/2 inch [12.7 mm] of material above keyway.

FILLER ROLLS:

4-3/16 inch [106 mm] diameter filler rolls recommended with #4-13 tooth sprockets
5-7/8 inch [149 mm] diameter filler rolls recommended with #6-18 tooth sprockets
7-5/8 inch [193 mm] diameter filler rolls recommended with #8-23 tooth sprockets

Supports

As a rule, support rails are required, with maximum spacings of 18 inches [457.2 mm] on the load side and 24 inches [609.9 mm] on the return side. Rollers may also be used. For light loads, support rails may be placed farther apart - consult Ashworth Engineering for your particular application.

Material Reference

Acetal - polyoxymethylene plastic
Celcon - acetal copolymer
CI - cast iron
Hardened Steel
Nylon
T303 - stainless steel
T316 - stainless steel
UMHW - polyethylene plastic

Belt Calculator

Belt

Belt Width (in.)

Center Link Loc

Weave

First Count

Second Count

Spiral Gauge

Base Belt Weight

Belt Pitch

Turn Ratio

Belt Strength

Min Filler Roll Diameter

Conveying Surface

Inside Conveying Surface

Outside Conveying Surface

Mesh Opening Size

Open Area Surface

Open Area Thru

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Product Options

Special Spirals (Patented)

Available in Omni-Tough® overlay only
Available in 16 fa. and 17 ga. only
One or more spirals on conveying surface are raised
Used as guard edges, lane dividers, or flights
Maximum height 1 inch [25.4 mm]
Available options: height, spacing, location, shape, and number of lanes in belt

Ashworth Omni-Grid® 360 Conveyor Belt Loop Diagram

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Downloads

Technical Bulletins

Other

PosiDrive Spiral Brochure

Conveyor System Review Form

Turn Curve Data Sheet

The positive drive concept of the PosiDrive Spiral keeps belt tensions low which helps increase belt life and allows for increased product load capacity.

The PosiDrive Spiral system allows product dwell time to be easily set using a simplified single speed control and is offered for various cage configurations making it ideal for new spiral systems.