Dings 80 Series Manual de usuario

80 Series

4 Post Waterproof/

Dusttight Enclosure

Brake Instructions

Read carefully before attempting to assemble, install, operate or maintain the product described. Protect yourself

and others by observing all safety information. Failure to comply with instructions could result in personal injury

and/or property damage! Retain instructions for future reference. When unpacking the brake, inspect it carefully

for damage that may have occurred during transit.

Bulletin No. BK4814 (6/02)

4740 WEST ELECTRIC AVENUE !MILWAUKEE, WI 53219 !PHONE 414/672-7830 !FAX 414/672-5354 !www. dingsco.com

WARNING

Brake performance and features must be carefully matched to the

requirements of the application.

Consideration must be given to torque requirements, especially where

an overhauling condition exists, as well as thermal capacity, ambient

temperature, atmospheric explosion hazards, type of enclosure and any

other unusual conditions.

Improper selection and installation of a brake and/or lack of maintenance

may cause brake failure which could result in damage to property and/or

injury to personnel.

If injury to personnel could be caused by brake failure, additional means

must be provided to insure safety of personnel.

Do not operate manual release or energize brake coil before installation,

in order to preserve prealignment of rotating discs for ease of installation.

DESCRIPTION

This brake is direct acting, electromagnetically released and spring set.

It uses rotating and stationary disc contact to supply positive braking

action. It retains quick release and setting capabilities at all times.

Simplicity of design has reduced maintenance to an absolute minimum.

As with any electromechanical equipment, however, periodic inspection

and adjustment will assure optimum performance. As the friction disc

wears, the magnet gap will increase. The magnet gap should be check

periodically and adjusted when necessary.

SPECIFICATIONS

MOTOR FRAMES - 284TC, 286TC.

HOUSINGS - Cast iron and aluminum.

DUTY - Rated for continuous duty.

VOLTAGES - All standard NEMA voltages and frequencies available.

Other voltages and frequencies are optional.

MOUNTING - Direct to NEMA “C” motor flanges. Adaptors for larger

or smaller frames, foot mounting and vertical mounting are available.

SHAFTS - NEMA standard length motor shafts and thru shafts may

be used on all models except units with Mark II Release (Cover

modification required for thru shafts).

ORDERING INFORMATION

The following data should be furnished with your order for:

REPLACEMENT PARTS

Brake Model Number

Part Number from Tables

Part Description from Tables

(On hub order furnish bore dia. & keyway dimensions. On

electrical parts specify voltage, phase & frequency.)

REPLACEMENT BRAKE

Model Number

Voltage, Phase & Frequency

Hub Bore & Keyway Dimensions

Mounting - Horizontal or Vertical. (If vertical, specify whether above or

below motor. If brake includes foot mounting bracket or adaptor, specify.)

Figure 1.

Figure 2.Wiring Diagram

INSTALLATION

(See Figures 3 & 5, Tables 1 & 2)

1. Remove hub (1) from brake and position on motor shaft with key

according to dimension “N”. Stamped part number on hub should

face away from motor. Tighten hub set screws with 12 lb. ft. torque.

2. Remove cover screws (24) , cover (23) and gasket (28).

3. Place brake on motor, guiding discs on hub.

4. Bolt brake to motor “C” face with four 1/2 inch socket head cap

screws. See Figures 5 and 6 for screw length thru bracket.

5. Connect coil leads per appropriate wiring diagram in Figure 2 and

replace cover.

MANUAL RELEASE

(See Figure 3)

To operate release, rotate two rods(10) clockwise until stop screw

(14) hits pin. Release cap (29) must be removed by unscrewing,

before rods can be rotated.Brake will remain in released position until

rods are manually returned to original position, or until electrical power

is restored which automatically returns the release rods to the set

position.

TORQUE ADJUSTMENT

(See Figures 3 & 5)

Brake is factory set for rated torque per spring length “H”. To increase

stopping time and lower torque, turn four locknuts (9) counterclockwise,

increasing dimension “H”. All four springs must be set to the same

length. Do not decrease spring length “H” as this may cause coil to

burn out.

WEAR ADJUSTMENT

(See Figures 3 & 5, Table 2)

Magnet gap “D” increases as friction discs wear. When gap approaches

“D” max., adjust gap to “D” min. dimension by turning nuts (21 and 22).

Magnet gap can vary from nominal + .005” between corners. After

setting gap, readjust torque spring length “H”.

CAUTION: MAGNET GAP MUST NOT EXCEED

“D” MAXIMUM.

FRICTION DISC REPLACEMENT

(See Figures 3 & 5, Table 2)

*When the rotating friction disc (4) wears down to a thickness of 7/32”,

replace disc.

1. Remove cover screws (24), cover (23) and gaskets (28 & 32).

2. Unhook loop of torsion springs (11) from pins at rear of magnet

plate (16). Remove release stop screws (14), washers (12) and

shims (13).

3. Remove adjusting lock nuts (22), magnet assembly (16), adjusting

nuts (21), torque nuts (9), washers (8), torque spring (7) and

pressure plate (6).

4. Remove friction disc (4) and stationary disc (5). Replace worn

friction discs.

5. Reassemble all parts in reverse order. Set spring length “H”

and magnet gap “D”. Assemble manual release. See following

paragraph.

MANUAL RELEASE ASSEMBLY

(See Figure 3)

When assembling a standard manual release mechanism (Figure 3),

add only enough shim washers (13) to obtain proper release action.

Too many shim washers will prevent automatic reset when electrical

power is applied. Too few washers will prevent the motor shaft from

turning freely. Replace stop screws (14). Wind each torsion spring (11)

approximately 1/4 turn and hook spring loop over pin.

MAGNET COIL REPLACEMENT

(See Figures 3 & 4)

Remove magnet assembly as outlined under FRICTION DISC

REPLACEMENT.

Coils (18) are held in place with epoxy cement. Force coil off magnet

mounting plate and remove excess epoxy from all surfaces.

Replacement coils should be held in place with new epoxy cement.

The epoxy cement should be heat resistant and shock resistant.

Place an insulating washer (19 or 19a) below the coils. Order insulating

washers when ordering coils. An insulating washer can be cut to suit

when replacing only one coil on a multiple coil assembly.

When installing coils, it is very important to follow EXACTLY the

sequence of black and light colored leads as shown in wiring diagram

(Figure 2). The brake will not operate properly unless coils are all in

the correct position.

Figure 4. Fastening of Replacement Magnet Coils

Figure 3. Exploded View of Brake

ITEM

NO.

PCS.

REQ’D DESCRIPTION

4-80000-29

SERIES

PART NO.

6-80000-32

SERIES

PART NO.

1 1 Hub

2 1 Bracket W/Studs – 1Disc H080106-001

2 1 Bracket W/Studs – 2 Disc H080106-002

2 1 Bracket W/Studs – 3 Disc H080106-003

2 1 Bracket W/Studs – 4 Disc H080106-004

2 1 Bracket W/Studs – 5 Disc H080106-005

2a 1 Bracket W/High Tensile Studs – 1 Disc H080106-006

2a 1 Bracket W/High Tensile Studs – 2 Disc H080106-007

2a 1 Bracket W/High Tensile Studs – 3 Disc H080106-008

2a 1 Bracket W/High Tensile Studs – 4 Disc H080106-009

2a 1 Bracket W/High Tensile Studs – 5 Disc H080106-010

3 4 Stud – 1 Disc G070213-001

3 4 Stud – 2 Disc G070213-002

3 4 Stud – 3 Disc G070213-003

3 4 Stud – 4 Disc G070213-004

3 4 Stud – 5 Disc G070213-005

3a 4 Stud – 1 Disc High Tensile G070219-001

3a 4 Stud – 2 Disc High Tensile G070219-002

3a 4 Stud – 3 Disc High Tensile G070219-003

3a 4 Stud – 4 Disc High Tensile G070219-004

3a 4 Stud – 5 Disc High Tensile G070219-005

4 (1) Rotating Friction Disc H080002-002

4a (1) Heavy Duty Rotating Friction Disc (Alt.) H080026-003

5 (2) Stationary Disc K080179-001

6 1 Pressure Plate K080072-001

7 4 Torque Spring (25, 50, 75 Lb. Ft.) G070011-001

7 4 Torque Spring (35, 70,105,125,175 Lb. Ft.) G070019-001

8 4 Torque Spring Washer W004004-001

9 4 Torque Adjusting Nut W003001-022

10 2 Manual Release Rod G070001-002

11 2 Manual Release Spring G060010-001

12 2 Manual Release Washer W004004-003

13 As Req’d Manual Release Shim W004004-004

14 2 Manual Release Stop Screw G060029-001

15 2 Manual Release Lockwasher W004007-007

16 1 Magnet Assembly, Single Phase – Complete with Coils K080126 (3)

16 1 Magnet Assembly, Three Phase – Complete with Coils K080127 (3)

17 1 Magnet Plate w/o Coils, Single Phase K080152-001

17a 1 Magnet Plate w/o Coils, Three Phase K080101-001

18 4 Magnet Coil – Single Phase K080083 (3)

18a 6 Magnet Coil – Three Phase H080062 (3)

19 2 Insulating Washer – Single Phase G080148-001

19a 2 Insulating Washer – Three Phase G080016-001

20 2 Shading Coil, Single Phase Only G080022-001

21 4 Gap Adjusting Nut W003003-023

22 4 Gap Adjusting Nut W003001-020

23 1 Cover, Standard L080056-002

23 1 Cover, w/ Thru Shaft L080056-003

24 6 Cover Screw W001013-028A

25 1 Conduit Hole Plug W010002-004

26 1 Name Plate H050020-001

27 1 Hub Seal W011001-008 ---

28 1 Cover Gasket K080143-001

29 2 Release Cap G060170-002

30 1 Thru-Shaft Sleeve H080036 (5)

31 1 Thru-Shaft Seal W011001-007

32 6 Lockwasher, 1/4 W004006-006 W004007-009

33 1 Drain Hole Plug W010002-001

34 2 Release Cap Gasket G070381-001

35 2 Drive Screw W001012-048

(1) Number of rotating discs is shown as second digit of Model No. (2) Number of stationary discs is one less than the number o

Example: 2-82.scsid82-050

(3) Basic part number shown – specify model number, voltage, phase (4) Basic part number shown – specify shaft diameter.

and frequency.

(5) Basic part number shown – specify shaft diameter and keyway.

Table 1. Parts List

Table 2. Enclosed Housing

Figure 5.

TROUBLE SHOOTING

A. IF BRAKE DOES NOT RELEASE:

1. Check brake visually for broken or damaged parts.

2. Check for broken leadwire or bad electrical connection.

3. Check for correct voltage. Line voltage must correspond to the

voltage for which the brake coils are connected. If the line

voltage is more than 10% below the voltage for which the

brake coils are connected, the magnet will not pull in, causing

the coils to burn out within minutes. If the line voltage is more

than 10% above the voltage for which the brake coils are

connected, the coils will overheat and burn out.

4. Check for burned-out coils (coils may be charred or burned).

5. Check for excessive magnet gap. (See WEAR ADJUSTMENT.)

6. Check for failure or power supply to brake.

B. IF BRAKE DOES NOT STOP:

1. Check brake visually for broken or damaged parts.

2. Make certain hub has not shifted position on the motor shaft

and that all rotating discs are fully engaged on the hub.

3. Check that the manual release is in the normal position.

4. Check disc wear. (See WEAR ADJUSTMENT.)

C.IF BRAKE CHATTERS OR HUMS:

1. See that magnet faces are clean. To remove dirt, insert a clean

sheet of paper between magnet faces and energize brake.

Move paper around between faces to dislodge dirt, then

remove paper.

2. Check for low voltage. Magnet will not pull in, and coils will

burn out if line voltage is beyond 10% below the voltage the

brake coils are connected for.

3. See that magnet faces are parallel within tolerance. Readjust

magnet gap to “D” min. (See WEAR ADJUSTMENT.)

4. Check if shading coil (20) is cracked, broken or out of

position (single phase only).

D. IF MANUAL RELEASE DOES NOT WORK:

1. Check for broken or damaged parts.

2. Check return spring (11). Brake will not reset automatically if

this spring is broken.

3. Check quantity of shim washers (13) under release stop

screws. (See MANUAL RELEASE ASSEMBLY.)

4740 WEST ELECTRIC AVENUE !MILWAUKEE, WI 53219 !PHONE 414/672-7830 !FAX 414/672-5354 !www. dingsco.com

MODEL NO.

DIMENSIONS

ENCLOSED

SEVERE

DUTY

TORQUE

LB. FT.

WEIGHT

LBS.

THERMAL

CAPACITY

HPS/MIN

INERTIA

WK2

LB. FT.2

MAX

MIN

+1/32

ENCL

S.D.

4-81025-29

6-81025-32

.095

6.37

.065

.035

1.31

1.75

1.31

1.00

1.50

4-81035-29

6-81035-32

.095

6.37

.065

.035

1.31

1.75

1.31

1.00

1.50

4-82050-29

6-82050-32

.169

7.00

.065

.035

1.31

2.25

1.81

1.50

2.12

4-82070-29

6-82070-32

.169

7.00

.065

.035

1.31

2.25

1.81

1.50

2.12

4-83075-29

6-83075-32

.244

7.62

.070

.040

1.31

2.75

2.31

2.00

2.75

4-83105-29

6-83105-32

105

.244

7.62

.070

.040

1.31

2.75

2.31

2.00

2.75

4-84125-29

6-84125-32

125

.318

8.25

.080

.050

1.43

3.25

2.81

2.50

3.38

4-85175-29

6-85175-32

175

105

.395

8.87

.080

.050

1.31

3.87

3.44

3.12

4.00

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