IMI NORGREN PGS20 Manuale utente

PGS20 and PGS42

Series Grippers

User instructions

Auto In-plant

Our policy is one of continued research and development. We therefore reserve the right to amend,

Revisions ECN. NO. BY DATE

REL 25489 MGF 11/13/08

001 25792 MS 06/23/09

002 25824 MGF 08/04/09

003 25881 RRH 09/25/09

DRAWN DATE

MFG 10/03/08

CHECKED DATE

RRH 10/05/09

DES ENG DATE

JA 10/03/08

APPR, DATE

DAM 10/05/09

Revisions record

Table of contents

Section Page

Scope ................................................................................................................ I.......................3

Applicable Documents ...................................................................................... II .......................3

Information & Procedures................................................................................. III .......................3

Cleaning and Maintenance...............................................................................IV .....................10

Speciﬁcations....................................................................................................V.....................10

02 2/17

12680UI REV: 003

User Instructions for PGS20 and PGS42 Grippers

For internal use only

Our policy is one of continued research and development. We therefore reserve the right to amend,

Gripper close port

I. Scope:

This document instructs the operator how to use the IMI Norgren PGS20 and PGS42 Grippers. This user instruction covers

basic gripper set-up and operation, including: port sizes and function, manual unlocking of jaws, jaw replacement, setting

jaw open angle, and accessory mounting.

II. Applicable Documents:

12686SP – Sales Page – PGS20RXXXXXXXXX (Regular Jaw)

12687SP – Sales Page – PGS20FXXXXXXXXX (Flange Jaw)

12688SP – Sales Page – PGS20C/D/EXXXXXXXXX (Chisel Jaw)

12689SP – Sales Page – PGS20S/T/UXXXXXXXXX (Shovel Jaw)

12647SP – Spare Parts List for PGS20 Gripper Series

13213SP – Sales Page – PGS42RXXXXXXXXX (Regular Jaw)

13227SP – Sales Page – PGS42C/D/EXXXXXXXXX (Chisel Jaw)

13284SP – Sales Page – PGS20S/T/UXXXXXXXXX (Shovel Jaw)

13291SP – Sales Page – PGS42FXXXXXXXXX (Flange Jaw)

13214SP – Spare Parts List for PGS42 Gripper Series

III. Procedures:

A. Port Size and Operation

1. Ports are available in 1/8" NPS or 1/8 Rc. The closed port is marked with a “C”.

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User Instructions for PGS20 and PGS42 Grippers

Gripper open port

B. Gripper Unlock

1. Release jaw by using a hex key or straight blade screwdriver and pushing on drive pin through slot in side plate

Our policy is one of continued research and development. We therefore reserve the right to amend,

C. Upper Jaw Removal

1. Unlock gripper as shown in step B and remove pad(s) from existing jaws. Set aside for re-assembly.

2. Top jaw should be removed ﬁrst. Remove SHCS from side plate or indirect sensor. Slide side plate/sensor

retaining pins out of slots in the gripper frame and remove side plate/sensor from gripper. Set SHCS and Side

Plate or Sensor aside for re-assembly

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User Instructions for PGS20 and PGS42 Grippers

3. Pull jaw upward and o of frame boss and bushing. Remove bushing from cylinder rod and set parts aside.

Flip gripper over to remove lower jaw.

D. Lower Jaw Removal

1. Remove side plate following procedure outlined in earlier section C-2. Some lower jaws (13111, Lower

Flange jaw & 13113, 0 degree. Regular jaw) will require that the cylinder rod be fully extended and bushing

removed prior to removing these jaws. With the cylinder rod in the fully extended position, and bushing

removed, pull lower jaw o of frame boss.

Our policy is one of continued research and development. We therefore reserve the right to amend,

2/17

12680UI REV: 003

User Instructions for PGS20 and PGS42 Grippers

E. Jaw Replacement

Applicable jaws: (13102, 13113, 13114, 13111, 13100, 13100-01, 13100-02,

10607, 10607-01, 10607-02, 13112, 13112-01, 13112-02, 13978 & 13987)

1. For lower jaws: Apply Mobilux grease or equivalent to both ﬂat surfaces of cam, as well as the surface of the

frame core, pivot boss, and drive pin. Align pivot hole in cam with boss and drive pin with the bottom side of the

cam slot. Slide jaw over boss and onto gripper. Place bushing over pin and into cam slot radii side facing

cylinder rod. Seat bushing ﬁrmly against cylinder rod and ensure that the bushing rotates freely.

2. Install side (cam retainer) plate: With the Side Plate approximately parallel to the gripper frame, align pins of

side plate with slots in frame. Side plate will slide diagonally toward gripper frame as pins follow the slots in the

frame. Continue to move side plate toward frame until guide pins are fully seated in the frame slots.

3. Clean M6 X 10 mm SHCS for side plate. Apply liquid Loctite 262 or equivalent to pivot hole in frame. Insert screw

through side plate and into frame. Tighten M6 SHCS to 120 in-lb.

Radius

Seat Bushing

against cylinder rod

Pivot boss

Drive pin

Bushing

Our policy is one of continued research and development. We therefore reserve the right to amend,

06 2/17

12680UI REV: 003

User Instructions for PGS20 and PGS42 Grippers

F. Setting Jaw Open Angle (if required)

1. The PGS20 gripper has three possible jaw open positions; full open (no bumper), 45 degrees, and 22 degrees.

Jaw open angle is set by installing the appropriate bumper into the frame in the slots provided, prior to installing

the upper cam. Two bumpers are available for the gripper a thin bumper marked “45” (13150) provides a 45

degree stop, and a thick bumper marked “22” (13152) for 22 degree stop angle.

2. To set the open stop angle, remove SHCS from side plate or indirect sensor, and remove side plate/sensor as

described in step C)-2). Set SHCS and Side Plate/Sensor aside for re-assembly. Remove jaw from gripper. Locate

and insert the appropriate bumper into the slots provided near the front of the gripper frame by sliding the bumper

sideways into the slots until it is fully seated, and ﬂush with the side of the frame core.

22° Open Jaw Angle Uses

22 degree (thick) stop

45° Open Jaw Angle Uses

45 degree (thin) stop

Full Open Jaw Angle

Bumper not used

Figure 1

3. To remove the jaw open stop insert a 5mm hex wrench into the hole provided in the stop bumper. Pull up on the

bumper until it is clear of the gripper frame.

Our policy is one of continued research and development. We therefore reserve the right to amend,

2/17

12680UI REV: 003

User Instructions for PGS20 and PGS42 Grippers

4. For upper jaws: Flip gripper over and apply Mobilux grease or equivalent to both ﬂat surfaces of cam, as well as

the surface of the frame core, pivot boss, and drive pin. Insure the jaw open stop is installed if required per section

F. Align pivot hole in cam with boss and drive pin with the bottom side of the cam slot. Slide jaw over boss and

onto gripper. Place bushing over pin and into cam slot radii side facing cylinder rod. Seat bushing ﬁrmly against

cylinder rod.

G. Installing an Indirect Sensor

1. Installing an Indirect Sensor: An Indirect Sensors mounts in place of one of the standard side plates. Move

brass bushing in sensor to align with drive pin in gripper. This must be done to correctly install sensor. Align pins of

sensor with slots in frame. Sensor will slide diagonally toward gripper frame as pins follow the slots in the frame.

Continue to move sensor toward frame until guide pins are fully seated in the frame slots. As the sensor seats into

the frame, make sure bushing and drive pin are still aligned.

Note: Whenever any part of the gripper is replaced

Our policy is one of continued research and development. We therefore reserve the right to amend,

2. Clean M6 X 30 mm SHCS for sensor. Apply liquid Loctite 262 or equivalent to pivot hole in frame. Insert screw

through sensor and into frame. Tighten the M6 SCHS 120in-lb.

H. Calibrating In-Direct Sensor

Sensor must be calibrated whenever any part of the gripper is replaced including pads.

1) Part Present

a) To program the sensor for a particular material thickness, apply air to the gripper and grip on the material

thickness which is to be used for the particular job. With an object such as a small Allen wrench, press the

button until the Red LED corresponding to the material range of the job lights as shown on the label.

b) Verify calibration:

(1) Close the gripper with no material between the pads. The LED should be o.

(2) Close the gripper on a single blank of material. The Red LED corresponding to your material range should

be on.

2) Double Blank

a) To program the sensor for a particular material thickness, apply air to the gripper and grip on the material

thickness which is to be used for the particular job. With an object such as a small Allen wrench, press the

button until the Red LED(s) corresponding to the material range of the job lights as shown on the label.

b) Verify calibration:

(1) Close the gripper with no material between the pads. The LED(s) should be o.

(2) Close the gripper on a single blank of material. The Red LED(s) corresponding to you material range

should be on.

Note: double blank sensor not available on ﬂange jaw gripper

08 2/17

12680UI REV: 003

User Instructions for PGS20 and PGS42 Grippers

J. Cable should follow the contour of the gripper jaw

Our policy is one of continued research and development. We therefore reserve the right to amend,

2/17

12680UI REV: 003

I. Installing an In-Pad Sensor

1) If an In-Pad Sensor is to be installed, it goes on top of the side plate assembly. Wrap sensor cable through holder

and align holes on side plate. Clean and apply liquid Loctite 262 or equivalent to 2X M5 X 10 mm SHCS and thread

thru sensor into side plate. Tighten both SHCS to 36in-lb.

2) Apply liquid Loctite 262 or equivalent to sensor bolt, place thru jaw and tighten 120in-lb.

User Instructions for PGS20 and PGS42 Grippers

Cable storage loop can be adjusted with a push/pull motion

to provide more or less cable slack in gripper jaw area.

Gripper Throat Depth Flange Height Working Pressure Grip Force Actuation Time

PGS20C/S 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 450lbs (200kgf)

@ 80psi (551kPa)

.050±.010 sec close /

<.090 sec open

PGS20D/T 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 450lbs (200kgf)

@ 80psi (551kPa)

.050±.010 sec close /

<.090 sec open

PGS20E/U 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 450lbs (200kgf)

@ 80psi (551kPa)

.050±.010 sec close /

<.090 sec open

PGS20F 1.65 (42.0 mm) 1.42 (36.1 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 450lbs (200kgf)

@ 80psi (551kPa)

.050±.010 sec close /

<.090 sec open

PGS20R 1.20 (30.6 mm) 1.82 (46.2 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 450lbs (200kgf)

@ 80psi (551kPa)

.050±.010 sec close /

<.090 sec open

PGS42C/S 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 900lbs (400kgf)

@ 80psi (551kPa)

.063±.010 sec close /

<.100 sec open

PGS42D/T 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 900lbs (400kgf)

@ 80psi (551kPa)

.063±.010 sec close /

<.100 sec open

PGS42E/U 1.24 (31.6 mm) 1.49 (37.8 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 900lbs (400kgf)

@ 80psi (551kPa)

.063±.010 sec close /

<.100 sec open

PGS42F 1.65 (42.0 mm) 1.42 (36.1 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 900lbs (400kgf)

@ 80psi (551kPa)

.063±.010 sec close /

<.100 sec open

PGS42R 1.20 (30.6 mm) 1.82 (46.2 mm) 60psi (413kPa) Min. –

100psi (689 kPa) Max.

Up to 900lbs (400kgf)

@ 80psi (551kPa)

.063±.010 sec close /

<.100 sec open

IV. Cleaning and Maintenance:

A) Remove excess grease from outer surfaces of gripper.

B) No required maintenance.

V. Speciﬁcations:

Our policy is one of continued research and development. We therefore reserve the right to amend,

10 2/17

12680UI REV: 003

Pad Replacement

1) Unlock jaws on gripper as outlined in section B & open jaws to get access to pads. Side plates or sensors DO NOT

need to be removed.

2) Remove M6 X 10 mm SHCS from jaw then remove pad.

3) Apply liquid Loctite 262 or equivalent to M6 X 10 mm SHCS and insert into one of the jaws. Insert replacement pad

into the opposite side of the jaw. Thread SHCS into pad and tighten to 120in-lb. Repeat step for other jaw. Chisel

and Shovel jaws only require one pad

User Instructions for PGS20 and PGS42 Grippers

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