XEBEC Floating Holder Instruction Manual (FH-ST20-60, FH-ST20-100)
Read this instruction manual before using this product. Failure to do so can result in serious injury or death. This instruction manual must be
kept in the vicinity of the machine at all times so that it is accessible to the operator.

Features The built-in spring makes the tool holding tube float, and this allows stable processing via
load control with the machine tool.
 It can be used on machining centers, NC lathes, drilling machines, special machines, andother machine tools.
 It is possible to change the cutting load according to the processing quality required.
 Edge quality stabilized by offsetting changes in the cutting amount caused by tool wear.
 Reduces frequency of adjustments required to compensate for changes to depth of cut and bristle length.
 Reduces tool wear by stabilizing processing conditions.

This document may also be viewed at
the below website:
https://www.xebectech.com/instruction_manual/ This product is an optional tool designed exclusively for XEBECBrush Surface. (FH-ST20-60: φ60, FH-ST20-100: φ100)
 Do not attach a tool other than the XEBEC Brush Surface.
 Also read the XEBEC Brush Surface Instruction Manual.

SAFETY PRECAUTIONS
Be sure to observe the methods described in this manual.
Using the product in ways inconsistent with the methods described in this manual may result in serious injury or death.
WARNING There is the risk of operator loss of sight or injury resulting fromthis product detaching from the machining equipments, bristles
breaking off, workpieces breaking, etc.
 Fragments, cutting particles, burrs, etc., occur due toprocessing with this product, and these can pierce the eyes orskin of operators causing loss of sight and injury.
 Dust occurring as a result of processing with this product cancause lung damage, irritate skin, and bring on allergic reactions.
 Even if there is no problem at the pre-work check, if vibration orother abnormality occurs during use, discontinue use
immediately. Continuing to use the product when there is anabnormality presents the risk of operator loss of sight or injury
resulting from this product detaching from the machining
equipments, bristles breaking off, workpieces breaking, etc.
 Do not use the product while exceeding the maximum
rotational speed, depth of cut, or brush projection, as there isthe risk of operator loss of sight or injury resulting from thisproduct detaching from the machining equipment, bristles
breaking off, workpieces breaking, etc.
NOTICE Use the XEBEC Brush Surface suitable to the applicable brush
diameter, and use the bush matching the shank diameter of theXEBEC Brush Surface. There is the risk of operator loss of sightor injury resulting from this product detaching from themachining equipment, parts breaking, etc., if a tool or bush notsuitable to the appropriate shank diameter is used.
 When chucking, slide the sleeve shank of the XEBEC Brush
Surface all the way to the end of the tool holding tube of thisproduct or bush (the sleeve flange end should directly
contact the end of the tool holding tube or the bush). Using
the product in ways inconsistent with the methods describedin this manual presents a risk of operator loss of sight or
injury resulting from this product detaching from themachining equipment, parts breaking, etc.
 Do not press the floating function in further than the permissible
operating range (6 mm). Using the product in a way that is notconsistent with the methods of this manual presents a risk ofoperator loss of sight or injury resulting from this productdetaching from the machining equipment, parts breaking, etc.

As a result of the above, there is also the risk of damage to machines, jigs, and workpieces.

Operator Safety Protection
Use of protective equipment
Be sure to wear personal protective gear including goggles, masks, gloves, andearmuffs. Wear clothing with long sleeves or other clothing that does not expose
the skin, and fasten the cuffs and hems tightly.

Attention to the work area
 Install an enclosure so that persons other than the operator do not enter thework area, and ensure that all persons, if any, in the work area are wearing
protective equipment.
 Keep the floor of the work area clean at all times to prevent the risk of slipping
or tripping on dust, cutting particles, oil, water, or other substance.
 There is the risk of fire caused by heating, sparks, or other factor resulting fromuse of the product. Do not use the product close to a flammable liquid or in an
explosive atmosphere.
Also be sure to enact fire prevention measures.

Precaution regarding cutting particles
Fragments, cutting particles, and other substances generated during work will bescattered into the surrounding area. Be sure to use a dust collector or other means
to collect them.

Pre-Work Check
Perform test operation for 1 minute or more before starting work, and for 3
minutes or more after the machine tool or product was changed, and check that
there is no looseness, vibration, or other abnormality of the machine and the part
where the product is installed.

XEBEC TECHNOLOGY CO.,LTD.
Fuerte Kojimachi 1・7 Building, 1-7-25,Koujimachi, Chiyoda-ku, Tokyo, 102-0083, Japan
TEL. +81-3-6893-0810 FAX. +81-3-5211-8964© 2019 XEBEC TECHNOLOGY CO.,LTD.

Precautions for Use
 Ensure there are no loose screws before use.
 Do not use FH-ST20-60 or FH-ST20-100 with the internal load adjusting screw
1 loose. This can make sliding performance worse.

Installation onto a machining center or other machineWARNING: When chucking, slide the shank onto the chuck ofthe machining equipment securely all the way to the base.
If not inserted all the way to the base when chucked, vibration duringmachining may cause this product to fall from the machining equipment.
There is the risk that this may cause operator loss of sight or injury.
 When installing, use a chuck that is correct for the shank diameter. Furthermore, whenusing a side-lock type mechanism to fix FH-ST20-60 or FH-ST20-100 to the machining
equipment, tighten the set screws on the flat parts of the floating holder shank.
 Install and use on machining equipment that can control the rotational speed.
 Do not use through-spindle coolant. If coolant gets inside the holder, thefloating function may not work properly.
 When using on a horizontal machining center, the floating function may not work if
the spring load is low. Make sure you perform an operational check before use.
 You cannot use the product on machining paths with intermittent sections where theXEBEC Brush Surface may fall or where there are protrusions where the floating function
cannot work.
 When the product is used with precision machining equipment, there is the riskthat cutting particles may have an adverse effect on the equipment sliding parts.
Be sure to properly collect cutting particles and wash thoroughly.

When wet machining
Do not aim coolant directly at the floating holder. If dust or coolant gets into theholder, the floating function may not work properly.

When dry machining
Use a dust collector to collect the dust that is generated by machining. If dust gets
into the holder, the floating function may not work properly.

FH-ST20 201900906E

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Created in September 2019

XEBEC Floating Holder Instruction Manual (FH-ST20-60, FH-ST20-100)
How to adjust thefloating load

Specifications
90.4

Dimensions

For a standard floating load
① Loosen load adjusting screw 2.
② Tighten load adjusting screw 1.
③ Tighten load adjusting screw 2.
Stroke: 0 mm
Main unit

Tool specifications
Productcode

Target brush
diameter (mm)Position of load
adjusting screw ①

Bush

Diameter of sleeve Maximum rotational Floating stroke(mm)shank (mm)speed (min−1)

Bush

FH-ST20-60

φ60

XBS1912

φ122000*

6

FH-ST20-100

φ100

XBS1916

φ161200*

6The maximum rotational speed is according to the XEBEC Brush Surface Instruction Manual.
Set the optimum rotational speed.
* The maximum rotational speed for this product as a stand-alone unit is 5,000min-1.

Spring load (N)0mm stroke

6mm stroke

Approx. 2Approx. 6Approx. 6Approx. 10

Load adjusting
Load adjustingscrew 2screw 1
Stroke: 6mm
Position of load
adjusting screw ①

Spring specifications

Standard floating load
High floating load

Approx. 2N

6mmApprox. 6N

Position of load adjusting screw
Load adjusting screw 2 is at the end of the shaft
Load adjusting screw 2 is at the back of the shaft

Fitting the brush When fitting the bush, align the slider screw holes with the bush holes, push the bush all the way in, thensecure the set screws.
 To fit the XEBEC Brush Surface, slide the shank all the way to the end of the tool holding tube, then firmly
tighten the shank-fastening screws.
* Refer to the below “Maintenance” section for the locations of the parts.

For a high floating load
① Loosen load adjusting screw 1.
② Tighten load adjusting screw 2.
③ Tighten load adjusting screw 1.
Stroke: 0 mm
Position of load
adjusting screw ②

Approx. 6N

Effective useThe following describes effective ways to use the tool.
① Introduce the brush from above the workpiece while it is not inmotion.
② Cut to the set value and compress the spring.
③ After compressing the spring, rotate the brush and start feeding.
④ When machining is completed, stop rotating the brush and stop feeding.
⑤ Return the brush above the workpiece.

Stroke: 6mm
Position of load
adjusting screw ②

Approx. 10N

MaintenanceRoller screw [E]Collar [F]Cover ring [A]Set screw [B]O-ring

Guide roller [G]Slider [D]Spring [I]Load adjusting screw 2

Main unit [H]Bush [C] Be careful not to get your fingers caught
when attaching the cover ring.
 Tighten the screws, etc., with thestandard torque.
 Regular maintenance is recommended.
The interval between maintenancedepends on the frequency of use.
 Sliding parts may seize when left unused forlong periods. Make sure to perform
maintenance before storing the product.

Spring end washer [J]Load adjustingscrew 1
Spring top washer [K]⑨ Install the spring washer [J] [K], spring [I], and⑦ Remove any dirt such as dust, etc., by washing① Remove the cover ring [A].
slider [D] into the main unit [H], then install theremoved components.
② Remove the set screws [B] from 2 locations.
roller screws [E], collars [F], and guide rollers⑧Applygreasesparingly
totheoutercircumferenceof③ Remove the bush [C] from the slider [D].
[G] (2 locations).
the slider [D] and the inner circumference of the④ Remove the roller screws [E], the collars [F],⑩ Install the bush [C] into the slider [D] and setmain unit. [H] (Too much grease may influenceand the guide rollers [G] from 2 locations.
the set screws [B].
movement of the slider at low loads.)⑤ Remove the slider [D] from the main unit [H].
 Before installing the bush, confirm that the positions of If there is roughness on the outer circumference of theXEBECTECHNOLOGY⑥ Removethe spring
end washer [J], CO.,LTD.
spring [I],the screw holes on the slider (2 locations) and the holes
slider and the inner circumference of the main unit
Fuerte1-7-25,and spring
topKojimachi
washer [K]1・7
from Building,the main unit.
on the bush (2 locations) match. If the screws are
due to friction, use #5000 or equivalent abrasive film
Koujimachi, Chiyoda-ku, Tokyo, 102-0083, Japan
tightened in a state where these are not matching, theto remove the roughness.
Page
TEL. +81-3-6893-0810 FAX. +81-3-5211-8964
bush might be pushed out of shape and no2/2
longerbe able
 Recommended grease: Lithium soap grease
to be used.
FH-ST20 201900906E
Created in September 2019
© 2019 XEBEC TECHNOLOGY CO.,LTD. (NLGI no.2)

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