Wrapping Anodes Back To Basics

If you’ve been using a cotton jacket material, you’ll want to use the cotton sleeving. If you’ve been using a polyester jacket material, you’ll want to use the blended or the polyester sleeving. There are various sizes available. The next 2 slides will familiarize you with them and help you determine which size to choose for your particular anodes.

Sleeving Material Available DESCRIPTIONPART NUMBER Sleeving, Blended 000B 6.35 mm x 45 m (1/4 in. x 50 yd.) Sleeving, Blended 00B 9.53 mm x 45 m (3/8 in. x 50 yd.) Sleeving, Blended 01B 15.8 mm x 45 m (5/8 in. x 50 yd.) Sleeving, Blended 12B 25.4 mm x 45 m (1 in. x 50 yd.) Sleeving, Blended 34B 38.1 mm x 45 m (1 1/2 in. x 50 yd.) Sleeving, Blended 56B 66.8 mm x 45 m (2 5/8 in. x 50 yd.) Sleeving, Cotton 000C 6.35 mm x 45 m (1/4 in. x 50 yd.) Sleeving, Cotton 00C 9.53 mm x 45 m (3/8 in. x 50 yd.) Sleeving, Cotton 01C 15.8 mm x 45 m (5/8 in. x 50 yd.) Sleeving, Cotton 12C 25.4 mm x 45 m (1 in. x 50 yd.) Sleeving, Cotton 34C 38.1 mm x 45 m (1 1/2 in. x 50 yd.) Sleeving, Cotton 56C 66.8 mm x 45 m (2 5/8 in. x 50 yd.) Sleeving, Polyester 000P 6.35 mm x 45 m (1/4 in. x 50 yd.) Sleeving, Polyester 00P 9.53 mm x 45 m (3/8 in. x 50 yd.) Sleeving, Polyester 01P 15.8 mm x 45 m (5/8 in. x 50 yd.) Sleeving, Polyester 12P 25.4 mm x 45 m (1 in. x 50 yd.) Sleeving, Polyester 34P 38.1 mm x 45 m (1 1/2 in. x 50 yd.) Sleeving, Polyester 56P 66.8 mm x 45 m (2 5/8 in. x 50 yd.)

Matching Sleeving to Your Anodes Sleeving (000 B, C, P) for PT-1, PT-2 Anodes Sleeving (00 B, C, P) for PT-5, PT-6, ID-5, ID-6 Anodes Sleeving (01 B, C, P) for PT-8, ID-8 Anodes Sleeving (12 B, C, P) for PT-10, PT-13, ID-10, ID-13 Anodes Sleeving (34 B, C, P) for ID-19, ID-25, ID-32, ID-38, ID-50, OD-25, OD-30, OD-40, OD-50, FT-40, FT-60, FT-65, FT-65F, FT-75, FT-125 Anodes Sleeving (56 B, C, P) for ID-63, ID-75, ID-100, OD-60, OD-70, OD-80, OD-90, OD-100, FT-90, FT-90F, FT-115, FT-115F Anodes

Wrapping Anodes The following figures illustrate how cotton batting and sleeving covers are applied. Cotton batting covers with sleeving should generally be approximately 5 mm (3/16 in.) thick. They should also be as uniform in thickness as possible. Thick areas have more resistance to current flow and less plating results in these areas.

Wrapping an ID Style Anode PREPARATION OF COTTON BATTING Cut a piece of long-fiber cotton batting about one inch wider than the length of the SIFCO anode and six to eight times longer than the diameter. Split the cotton to about 2 mm (3/32 in.) thickness so that the final cover thickness after rolling will be 5 mm (3/16 in.). Lay the cotton on a table and wet the anode with water so that it will adhere to the end of the cotton. Roll anode into cotton in the direction of the cotton fibers, to gather it up. Feather the ends of the cotton so that the long fibers can be intertwined.

Wrapping an ID Style Anode SLEEVING SECURES COTTON WRAP The application of sleeving provides maximum wear resistance and reduces cutting through on sharp edges. Cut a piece of sleeving at least three times as long as the anode and slip the first layer as on a finger. Twist the unused part of sleeving and then slip second layer over. Secure end of sleeving with a rubber band or polyester sleeving tie. The finished wrapping should be neat and compact with no bulges or thin spots.

Wrapping Flat Anode FOLD COTTON AROUND ANODE The long-fiber cotton pad for flat anodes should be cut to provide a 13 mm (1/2 in.) overlap around the anode. Place the anode on the cotton making sure that the length of the cotton fibers run in the direction of the long side of the anode. Fold the cotton evenly around the anode and keep the bottom surface smooth.

Wrapping Flat Anode INSERT INTO SLEEVING Holding the wrapped anode by the bottom to keep the cotton smooth, insert it into a piece of sleeving at least three times as long as the anode. Twist the unused part of sleeving and then slip the second layer over the anode and secure the end with rubber bands or polyester sleeving ties.

Wrapping Flat Anode CUT HOLE FOR HANDLE Cut a hole in the sleeving large enough to screw the SIFCO tool handle into the anode The fully wrapped flat anode should have a smooth even pad of cotton on the bottom, secured tightly by the sleeving.

Wrapping An OD Anode PREPARATION OF COTTON BATTING Cut a piece of cotton batting large enough to cover the concave side of the anode to be wrapped. It is important that the cotton fibers run along the longest dimension of the pad. This pad can be split into two layers for use on smaller anodes. Thickness of the cotton used may vary according to the application. Experience has shown that 5 mm (3/16 in.) thickness works well for the average application. Mold the cotton to the concave side of the anode (Picture 12). Wetting the anode with water will help the cotton adhere to the anode.

Wrapping An OD Anode FASTEN SLEEVING Cut a suitable size of sleeving (at least three times the length of the anode) and slip half the sleeving over the anode and cover. The remaining half of the sleeving is then twisted and slipped over the anode. At least two layers of sleeving cover are thus provided, the ends of which are secured with rubber bands or sleeving ties around the base of the solution flow tube.

Wrapping An OD Anode FASTEN SLEEVING Cut a hole in the sleeving for the SIFCO tool handle and insert the handle. The finished tool should have a smooth concave surface.

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