Fein GRIT Belt Grinder Manual de usuario

Belt grinding for

professional users in metal working

and fabrication trades and industries

METAL

GRIT GX / GI

 Belt Grinders

 Grinding Modules

 Deburring Machines

 Accessories

Solving problems and developing solutions for metal working professionals – a core component of

FEIN philosophies. For over 25 years GRIT has set the standard for quality belt grinding machinery.

By taking over and investing in the GRIT brand FEIN has set the standards even higher. The

comprehensive knowledge of these two leading manufacturers adds prot to your bottom line.

GRIT by FEIN, not a one size ts all product. GRIT by FEIN belt grinders offer the ideal solution

for each requirement – with our unique and exclusive modular system; powerful, basic belt

grinders and mounted modules are designed and engineered for specic tasks within the entire

application range – specialized machines for all applications in metal working trades and industries.

GRIT – The brand for belt grinding from FEIN

Constructed for operation and use in small; job, prototype and

fabrication shops. The GRIT GX program stands out due to its

high efciency. Whether for rough grinding or surface polishing

with GRIT GX machines you count on the quality you demand.

GRIT GX machines can also be quickly converted to a variety

of tasks, are reliable in operation and constructed to be tough

and durable. The complete GRIT GX program can be found

on pages 4 to 15.

All technical data provided by this brochure refer to the models in

220 V / 440 V, 3 ~, 60 Hz (US); 575 V, 3 ~, 60 Hz (CAN). There may

be a few deviations of the given voltage and frequency values for the

respective country-specic versions.

 Ideal for use in small workshops and for limited production

runs

 Covers all standard grinding tasks: Belt, radius and cylindrical

grinding

 Easy to assemble, quickly installed and quickly converted

 Great work safety and machine reliability

 Quality work results due to professional equipment and

accessories

GX–foruseintheworkshop Yourbenets:

Industrial environments place extremely high demands on belt

grinders; from high production, factory settings to harsh applica-

tions. The GRIT GI program is designed specically for intense,

industrial duty. All grinders are equipped with extremely powerful

motors; even continuous operation times and high loads are no

problem for the solidly built GI machines. Simple to operate the

entire GI line increases work efciency as well as machine reliabili-

ty. The complete GRIT GI program can be found on pages 16 to 33.

All technical data provided by this brochure refer to the models

in 220 V / 440 V, 3 ~, 60 Hz (US); 575 V, 3 ~, 60 Hz (CAN). There

may be a few deviations of the given voltage and frequency values

for the respective country-specic versions.

 For industrial processing of steel, stainless steel and

non-ferrous metals

 Suitable for all common materials and grinding applications

 Construction and parts are specifically adapted to heavy

duty jobs

 High abrasive performance leads to economical and

professional work results

 Great work reliability and simple operation

 Special solutions for special applications available

GI–foruseinindustry Yourbenets:

4. 

Tough, exible, cost-effective

In short: GRIT GX

If you work on steel or stainless steel every day, then GRIT GX belt grinders are

the right choice. Twenty-ve years of experience and know-how have evolved into

GRIT – evident by the highly exible design and machine reliability; the GX Grinders

have the ability to easily adapt to various materials and applications – from rough

grinding to mirror polishing.

The GRIT GX functions according to the building-block principle. The belt grinder

is the foundation of the system. By simply adding modules, the spectrum of perfor-

mance is highly enhanced. i.e. having the ability to notch pipe and tubing. The modular

system is highly cost effective, saving both time and money. Grind efciently and

effectively with the GRIT GX system.

Powerful belt sander in single-

or two-speed models – the

heart of the modular GX pro-

gram. Highly productive and

economical as a stand alone

grinding center.

Add-on module for quick and

efcient radius grinding or

notching. Radius grinding

applications include: pipe,

square/rectangular tubing, bar

stock and proles.

Add-on module for nishing and

polishing applications on round,

ferrous and non-ferrous stock –

from rough grinding to mirror

polish.

Independent of the GX program,

the GXE machine utilizes durable

steel brushes for deburring steel

and stainless steel workpieces.

Available with optional pedestal

base and steel or stainless steel

brushes.

Accessories for the GX belt

grinders range from superior

performing grinding belts to

a cooling unit module.

 BeltGrinderGX75/GX752H

 RadiusGrindingModuleGXR

 CylindricalGrindingModuleGXC

 DeburringMachineGXE

 Accessories

GX 75 / GX 75 2H GXR

GXWGXCGX 75 / GX 75 2H

The GRIT GX program is modularly designed. By attaching the appropriate modules you can quickly transform a basic belt grinder into

a cylindrical or radius grinding machine. The easy and exible GX program saves extensive time, money and space.

GRIT GX:

One system, multiple applications

Grinding, deburring, sanding, cylindrical nishing and notching of

steel and stainless steel require a broad range of expensive, single

purpose machinery. The GX system allows you to begin with a basic

machine and expand capabilities as your requirements demand.

Radius grinding machine

Radius grinding module

9 90 01 001 00 0

Belt grinder (basic units)

7 901 01 / 7 901 02

Cooling lubricant

module

7 901 04

Cylindrical

grinding module

7 901 03 Cylindrical grinding machine “Centerless”

Belt grinder (basic units)

7 901 01 / 7 901 02

Thesystemthatgrowswiththerequirements



Bestellnr.: 790101 790102

The perfect base:

GX 75* / GX 75 2H* Belt Grinder

The GX 75 or GX 75 2H is the heart of the system. A reliable, powerful

belt grinder for professional applications – based on a foundation of

25 years experience in mechanical engineering and belt grinding: built

solid, easy to assemble, and equipped with everything that eases the

work and the operation.

 GX75* GX752H*

Power 3 kW (4 HP) 1.5 / 2 kW (2/2.5 HP)

Voltage US 220 or 440 V (3~) 220 or 440 V (3~)

Amps US 13.6 or 6.8 6.8 / 9.1 or 3.4 / 4.6

Voltage CAN 575 V (3~) 575 V (3~)

Amps CAN 5.2 2.6 / 3.5

Speed 3,600 rpm 1,800 / 3,600 rpm

Belt size 3" × 79" 3" × 79"

(75 × 2,000 mm) (75 × 2,000 mm)

Connecting cable 6.5 ft 6.5 ft

Weight 145 lbs 145 lbs

Included in delivery:

1 grinding belt 3" × 79", K 36 Z

PartNumber: 790101 790102

GX75*/GX752H*

Technicaldata

 Tough AC motor provides grinding with

constant speed

 Ideal speeds for metal working: GX 75* at

3,600 rpm; GX 75 2H*, dual speed, 1,800 or

3,600 rpm

 One step, self adjusting belt tension

 Comfortable operation through an adjustable

work level, height-adjustable support for flat

grinding, and easy belt adjustment

 Safe and reliable production results from

a stable machine base and solid grinding table

 Integrated dust extractor connection

(3 ⁹⁄₁₆" / 90 mm dia.)

 Detachable grinding particle collector

* US version order #:

GX 75 2V; single speed; 220 V

GX 75; single speed; 440 V

GX 75 2H 2V; two speed; 220 V

GX 75 2H; two speed; 440 V

2.  

GX 75 belt grinders feature high power motors providing

outstanding capacities to assure maximum grinding produc-

tion. The GX 75 and GX 75 2H also exhibit minimal vibration

characteristics during operation, due in part to a patented

belt tensioning system. Operator production and comfort

is a standard feature with GRIT GX belt grinders.

Whether grinding, weld seam polishing, chamfering, debur-

ring, or at sanding – with Grit work is: efcient, productive

and especially, cost effective!

Flat grinding is another standard feature with GRIT machines.

A 3" x 16 ⁹⁄₁₆" (75 x 420 mm) height adjustable grinding table

for at work is standard on both GX 75 and GX 75 2H.

 Versatilityforeveryjob

Optimalatgrinding

Bestellnummer 99001001000

Everything simply ts together:

GXR radius grinding module

The perfect solution for pipe and tube fabrication. By attaching the

GXR module, the GX 75 2H belt grinder converts to the ideal platform

for precise radius proles on pipe and round or square stock. Standard

features include: a quick clamp system, traverse carriage, indexed

degree table and depth stop. User friendly with professional results;

quickly and effortlessly.

 For precise grinding of profiles and pipes

from ⅝"–3" (16–75 mm) dia.

 For angles

of 30° to 90°

30° / max. 1 ½" (37.5 mm) dia.

45° / max. 2 ¹⁄₁₆" (53.0 mm) dia.

60° / max. 2 ⁹⁄₁₆" (64.5 mm) dia.

90° / max. 3" (75.0 mm) dia.

 User-friendly, with integrated depth stop

and vise with quick–clamping for round and

square pipes as well as solid material

 Contact rolls are available in all common

sizes

 Vise with stainless steel clamping jaws

 Low speed (1,800 rpm) optimal for

processing stainless steel. Less burrs and

heat tarnish.

 Moves easily on 4 casters

 Can also be combined with the

GI program (GI 75 / GI 75 2H).

Requires adapter # 6 99 02 186 00 0

Pipe diameter ⅝"–3" (16–75 mm) dia.

Prole dimensions/

Square material max. 3" × 3" (75 × 75 mm)

Belt size 3" × 88 ⁹⁄₁₆" (75 × 2,250 mm)

Weight 119 lbs

PartNumber 99001001000

Included in delivery: 1 contact roll 1 ¹¹⁄₁₆" (42.4 mm) dia.;

1 contact roll 1 ⅞" (48.3 mm) dia.;

1 grinding belt 3" × 88 ⁹⁄₁₆", K 36 Z, 1 water container

Technicaldata

GXR

30°

45°

60° 90°

GXR

9 90 01 001 00 0

GX 75 / GX 75 2H

It makes no difference whether pipes, proles, or solid

material is being ground – the GXR radius grinding module

is ideally suited. Precise, efcient and economical processing

is achieved through a quickly indexed angle gauge and unique,

quick clamp vise* for round and square stock – comes

standard with stainless steel jaws.

(* patent pending)

Pipes sized ⅝"– 3" (16–75 mm) dia. and an attack angle

of 30° to 90° can be ground to a perfect t with the radius

grinding module. The extensive GRIT contact roller selection

covers all standard pipe and tube diameters.

The retrotable length stop for the GXR radius grinding

module ensures consistent, precise results in repetitive

production. The length stop is adjustable through 39 ⅜" (1 m)

and can be added at any time.

Belt grinder

(basic units) Radius grinding module Radius grinding machine

Perfecttatanyangle

Customtcontactrollers

 Withlengthstopforproductioninseries

Bestellnummer 790104

Quality and efcient nishing:

GXC cylindrical grinding module

The GXC cylindrical grinding module allows for perfect surfaces in

the simplest manner. The conversion to a “Centerless” cylindrical

grinding machine is done in just a few steps. Efciency and exibility

are apparent in the design and construction.

 For grinding of pipes and shafts from

⅜"–4" (10–100 mm) dia.

 High process speed for highest surface

quality.

 Suitable for wet-grinding when used with

the GXW cooling lubricant module

 Moves easily on 4 casters

 Can also be combined with the GI program

(GI 75 / GI 75 2H).

Requires adapter # 6 99 02 187 00 0

Voltage US 220 / 440 V (3~)

Voltage CAN 575 V (3~)

Weight 19 lbs

PartNumber 790104

Included in delivery:

¼ gal (1 liter) cooling lubricant emulsion (1:30)

GXC



Bestellnummer 790103

Pipes ⅜"–4" (10–100 mm) dia.

Belt size 3" × 79" (75 × 2,000 mm)

Voltage US 220 / 440 V (3~)

Voltage CAN 575 V (3~)

Weight 106 lbs

PartNumber 790103

Included in delivery: 2 guide rail, nylon; 1 guide rail, brass,

1 connecting cable with CEE plug 16 A

Technicaldata

GXWCoolinglubricantmodule

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