Brushless Screwdrivers for automated assembly machines● Screwdriver

BLF-2000
BLF-5000
BLF-7000
BLF-7000X
BLF-7025X● Screwdriver + Suction (Vacuum) Attachment

BLFQ Series
BLFR Series (For deeply recessed screws)

Operation Manual（As of November 2016）

1-16-5 Akiyama, Matsudo City, Chiba Pref., Japan 270-2223
Phone: 81-47-392-2001

16A

FAX: 81-47-392-7773
Operation Manual No. ET-A049
Utilizing 100％ post-consumer
recycled paper pulp

Contents■ Introduction ...........................................................................................................................................

3■ Features...................................................................................................................................................

3■ Cautions after introducing the screwdriver and the power supply ...................................

4■ Cautions when installing the screwdriver4, 5■ Cautions when using a universal joint■ Precautions. ................................................................................

........................................................................................

5.............................................................................................................................................

6■ About device adjustment .................................................................................................................
Bit Attachment
About torque adjustment

7, 8■ Names of main components of the screwdrivers ...................................................................
About flange
Combination table between the screwdrivers for automatic operationand the power supplies for them9■ Specifications of the screwdrivers
Output torque guide (HI)10, 11. ...............................................................................................

■ Exterior dimensions and details of the screwdrivers
Figure of installation dimensions■ Suction (Vacuum) Attachment BLFQ series
BLFQ accessories list
Mouthpiece
Adjustment of mouthpiece
Bits.............................................................

..............................................................................

11, 1213■ Suction (Vacuum) Attachment BLFR series ............................................................................... 14-19
BLFR accessories list
Identification of the BLFR Mouthpiece Order Code
Types of spring loaded mouthpiece (attachable to BLFR-5000 and BLFR-7000 series)
Adaptive screw size indications■ Exterior dimensions of the suction attachments....................................................................

■ Vacuum Pump VP-3 ............................................................................................................................

20, 2122● Abbreviations of product names
Product names are abbreviated as follows for convenience in this document, except for thecover page:
・Brushless Screwdrivers for automated assembly machines: screwdriver・Power supply dedicated for Brushless Screwdriver for automated assembly machines: power
supply・BLF-7000, BLF-7000X and BLF-7025X models: BLF-7000 series-2-

BLF-2000

BLF-5000

BLT-AY-61

BLF-7000 series

BLT-AY-71■ Introduction
Thank you for purchasing the BLF series, BLFQ series or BLFR series of the brushlessscrewdrivers for automatic operation.
Before using, please make sure to read this instruction manual well and use the tools
properly.
Please keep this manual in a safe place after reading.
NOTE
The screwdrivers have warranted its ability within controlled torque range.
However, please consider the following situation when installing the tools in customer’s
operation.
* If there is any inclusion (ex. Universal joint) at joint part between screwdriver and bit,
output torque would be badly affected by some conditions (ex. inertia or resistance).
Please select proper model considering torque with a margin.

■ Features● Our brushless screwdrivers are durable and enable stable screw fastening.
● The durability has been improved by simplifying the control circuits.
● There are two types of the vacuum pick up screwdrivers.
The BLFQ is a standard vacuum pick up screwdriver.
The BLFR is for deeply recessed screws.
-3-

■ Cautions after introducing the screwdriver and thepower supply.
Rotation speed of the screwdriver● The rotation speed is different for forward and reverse rotations. Please refer to the values
on the specification of the screwdriver and the torque guide table only as rough guidelines.
● The rotation speed is measured without load. Please note the rotation speed varies when
the set value is 27 or more.
The controlled torque values are measured with the combination of a HIOS Torque Meter
HP-100 and a Fidaptor*. The values during your work are not always the same as the values
in the table. Please refer to the values in the table only as rough guidelines.
* For measuring torque with the screwdriver, use a fidaptor (accessory of HP-100), which
reduces and absorbs the inertia generated at stoppage and has the ability to reproduce
near-screw-fastening conditions to detect the torque when the clutch fires during
rotation of the screwdriver. Also, please use a dedicated torque measuring instrument,
HM Series, which can measure output torque of the screwdriver after it is installed.

■ Cautions when installing the screwdriver● Note that screw fastening cannot be done with the screwdriver being installed upward.
● About the speed setting for screwdriver descending
If the descending speed of the Z-axis is faster than the screw fastening speed, screw floating
may occur due to overloaded tightening. Set the descending speed of the screwdriver
appropriate for the screw fastening.
● Consider the stiffness against Z-axis including the installation board of the screwdriver.
Note 1) Please select Z-axis based on the following formula: Screwdriver weight +Installation angle weight = Tightening reaction force
Make sure to install the screwdriver with the above condition satisfied. (Pleasecontact us for details.)
Note 2) Please determine the thickness of the installation board tolerable with stiffness andreaction force.
Guideline for the installation board thickness ・BLF-2000/BLF-5000: 8 mm or more
・BLF-7000 Series: 10 mm or more
● If the screw fastening cycle is short and constant torque is always required when a tapping
screw is fastened, it is necessary to check the required torque level by using an actualmachine. In such case, feel free to contact us.
● If the torque is high, presume that the reactive force against the screwdriver is strong andthe stiffness of the installation flange and Z-axis will impact on the screw fastening.
● Even if the above setting conditions are satisfied, overload may occur. In such case, review
the installation conditions.
● The flange and the main body of the screwdriver are fixed with left-handed screws.

-4-

● For the load in the direction to the axis of the screwdriver (thrust direction), design using adamper mechanism.
* Dampers with simple shock absorbers are available from HIOS. Consider using them if appropriate.

Product Name: BLF Damper Unit
Part Number: BLF-DP (*Installation board is not included.)Thrust Load Specifications
installation
board

Initial load 0mm

Approx. 0.12N・m(1.2kg)

Stroke 7mm

Approx. 0.6N・m(6kg)

Damper■ Cautions when using a universal joint● Offset from the center axis causes overload by twisting of the output axis. Incomplete
fixation may cause power loss, overload on the screwdriver or twist, and may decrease theoutput power of the screwdriver.
As a result, incomplete tightening may occur even if the output torque is a standard value.
● When using a universal joint, make sure that a rotational load is not applied to the bit.
(Note)
When using a universal joint, output torque of the screwdriver and the actual output torque
may be different due to inertia. Make sure to measure both torque of the screwdriver andthe actual output torque.
● When a universal joint is installed, make sure not to overload in the direction of the axis of
the screwdriver (thrust direction), and not to damage the workpiece and the screw bottom.
Guidelines for the load limit BLF-2000: 3kg or less
BLF-5000/BLF-7000 Series: 5kg or less● When a universal joint or fixture is installed under screw fastening conditions, implement
test tightening several times.
1. Is it fastened at the set torque?
2. Is the rotating speed of the screwdriver constant?
3. Isn’t the bit wobbling?
4. Is there any abnormal noise...etc? Check these prior to the final tightening.
● When using a universal joint, make sure the bit turns by hand.

-5-

■ Example

1. For the thickness of
the installation boardof the back board,
appropriate thickness
under the installation
conditions should be
kept when fixing.

Z軸

2. For the thickness of
the installation board,
appropriate thickness
under the installation
conditions should be
kept when fixing.

Y軸

6
2

Guidelines for the installation board
thickness:
・BLF-2000 / BLF-5000: 8 mm or more
・BLF-7000 Series: 10 mm or more

■ Precautions

3. When connecting an Angle to theZ-axis, fix it firmly. If it is loosely
fixed, it may cause problems such as
overload.

●		Please read this instruction manual thoroughly before use to ensure proper operation.
●		On any commercial power supply, install a ground-fault interrupt breaker and safety circuit
breaker.
●		Connect the power supply to ground and use only the rated voltage.
●		Please consider every condition such as power loss and inertia due to the Joint Shaft part,etc. from the body to the bit of the screwdriver. Make sure to select the screwdriver that wellmeets the requirements.
●		In case a universal joint or jigs are used, the actual output torque values may be different
from the corresponding torque values displayed on the specification table.
●		Please confirm that the screwdriver and the power supply are the right combination.
●		The overload protection will be activated when the screwdriver is locked or has become
overloaded. If the screwdriver is overloaded repeatedly, the maximum ratings of the power
supply or screwdriver may be exceeded. If the screwdriver becomes overloaded during normal
operation or begins to malfunction due to developing excessive heat, stop the ongoing operation
immediately, turn the main power switch off, remove the power cable, and contact our service
department or HIOS distributor for repairs.
●		When fastening screws on workpieces constructed of plastics susceptible to static electricity
build-up, operation should be done after static electricity has been discharged. If the workpieces that have not been properly discharged, static electricity may flow up through theend of the bit, causing malfunctions of the tools.
●		Do not disassemble or modify the tools in any way, as doing so may cause malfunctions of thetools. Such malfunctions are not covered by the HIOS warranty and repairs may be refused.
●		The operating environment for the screwdriver should be between 5̊C and 40̊C withrelative humidity of 80% or less (there should be no possibility of condensation).
●		Do not drop the tools or subject it to mechanical shocks.
●		Always hold the plug when inserting or removing power cables or the driver cords into or fromsockets.
●		Do not drag cords or cables, subject them to oil or to sharp edges, or place them underheavy objects.
●		If the tools will not be used for a long period of time, turn the main power switch OFF andunplug it from the service outlet.
-6-

■ About device adjustment● BLF-2000(Chart)-1 Bit attachment

Bit Attachment
１．Bit attachment· Bit attachment for BLF-2000 (Chart) -1
		 Push in and hold the Joint Shaft Collar into thebody of the screwdriver to insert the bit.
· Bit attachment for BLF-5000 / BLF-7000 Series(Chart)-2

Push in and hold the Joint
Shaft Collar into the bodyof the screwdriver to insert
the bit.

		 Pull up and hold the Joint Shaft Collar from thebody of the screwdriver to insert the bit.

● BLF-5000 / BLF-7000 Series(Chart)-2 Bit attachment

２．Please confirm the attached bit is locked firmly.

Pull up and hold the joint
shaft collar from the bodyof the screwdriver to insert the bit.

BLF-2000 uses the bit of HIOS H4 ( ∅ 4).
· BLF-5000 and BLF-7000 use the bits of HIOS H5 ( ∅ 5).
* Please use HIOS genuine bits.
∅4 or ∅5

· The bit drive of BLF-7000X and BLF-7025X is 1/4 HEX. Please purchase the commercial
products.
(Caution) Please purchase the commercial bit with the specified shape.

９.0 ｍｍ6.3

5m

m(Hex bit types that cannot be used)● Hex bits with two recesses and double bits cannot be
used with this product.

-7-

About torque adjustment
１． In case the torque value of screw fastening is fixed in advance, refer to "Reference tablesof output torques" and turn the Torque Adjustment nut on the screwdriver, using torquescale numbers (1-8) or (1-9).
(Caution)
		 Please use the reference tables of output torques as rough guideline to set torque.

２． Please rotate the torque control nut to reach the directly above position of the number.
· Fixation method (BLF-2000 only)　　BLF-2000 has a fixation mechanism with double lock nuts.
　　The position set with the Fixing nut is the configured torque setting value.
(Procedure)
2-1. Rotate the Fixing nut to reach the directly above
position of the torque scale number on thescrewdriver.
2-2. Rotate the Torque Adjustment nut to the positionof the Fixing nut. Make sure to tighten the nut
well then. To prevent position error of the Torque
Adjustment nut, tighten the Fixing nut well while
holding the Torque Adjustment nut.

Torque control of BLF-2000

1

Torque control
scale
Fixing nut
Torquecontrol nut

３． Turn on the tools and implement screw fastening. When it stops, check the screw andoptimize the torque value.
* To check the torque of the screwdriver.
・ We recommend our Torque Meter: HM series. Even when you have only limited space,
you can measure the torque of the screwdriver installed to the automated assembly
equipment.

-8-

■ Names of main components of the screwdrivers

R

R

Torquecontrol scale

BLF-500062(BLF-2000 adopts double lock nut
mechanism)

Brushless Driver

Made in Japan

8
4

Torque Adjustment nut

Joint Shaft
CollarFlangeConnector

About flange

For BLF-2000

For BLF-5000 & 7000, 7000X, 7025X

Combination table between the screwdrivers for automatic operation and the power supplies
for them
Model
BLF-2000
BLF-5000

Convertible power supplies

Number of controllable screwdrivers

BLT-AY-61

1

BLT-AY-71

1

BLF-7000
BLF-7000X
BLF-7025X

Power supply
BLT-AY-61/BLT-AY-71 (for controlling one screw driver)* About the difference between overseas specifications and domestic specifications of the power supply panels
The overseas specifications conform to CE standard. Therefore, the POWER SW is located on the rear panel. The
ON/OFF indication lamp of the POWER SW is on the front panel side.

● For details of the power supply, please refer to the "Operation Manual" attached to thepower supply for automatic operation.
-9-■ Specifications of the screwdrivers
Model

Controlled
TorqueRange

BLF series

BLF-2000

BLF-5000

BLF-7000

BLF-7000X

BLF-7025X

BLFQ series

BLFQ-2000

BLFQ-5000

BLFQ-7000--

BLFR series-

BLFR-5000-

BLFR-7000X

BLFR-7025X

N･m

0.03 - 0.35

0.3 - 1

0.7 - 2

0.7 - 2

1.2 - 2.5

Ibf･in0.26 - 3.0

2.6 - 8.8

6 - 17

6 - 17

9 - 22（kgf･cm）（0.3 - 3.5）

（3 - 10）（7 - 20）（7 - 20）（10 - 25）

Torque Switching
LOW rotation
Unloaded
05 - 15
Rotation Speed(r.p.m) ±10%11steps
HI rotation
switching
20 - 30
Machine screw
Availablescrews (mm)Tapping screw
BLF series
Bit Drive*1

BLFQ series*2

Weight (g)Stepless adjustment
120 - 345
r.p.m

115 - 320
r.p.m

150 - 450
r.p.m

150 - 450
r.p.m

120 - 350
r.p.m

690 - 975
r.p.m

660 - 940
r.p.m

495 - 735
r.p.m

495 - 735
r.p.m

400 - 600
r.p.m

1.0 - 2.3

2.0 - 3.0

3.0 - 4.0

3.0 - 4.0

3.0 - 4.0

1.0 - 2.0

2.0 - 2.6

3.0 - 4.0

3.0 - 4.0

3.0 - 4.0

1/4HEX

1/4HEX--

HIOS H5 andHIOS H4(∅4） 5HEX (both can HIOS H5(∅5）
be used)

BLFR series-∅4(screw type)-∅4(screw type)∅4(screw type)

BLF series

315g

470g

700g

700g

700g

BLFQ series

390g

560g

830g

-

-

BLFR series

-

700g

-

1,070g1,070g--Cord length (m)Included
Accessories*1*2

Drivercord
Spring3m (10P)

Weight (g)320g

Order Code

BLF7-0611
Silver--Bit drive "1/4" is HEX 6.35mm, 5HEX is HEX 5mm.
The weight (g) does not include the driver cord.

· The suction (vacuum attachment) for BLFR-7025X is available as a custom-made item. Pleasefeel free to ask us.
(Caution)
The controlled torque range of BLF-7000 series may be different from the value in the tableaccording to the working conditions.

- 10 -

Output torque guide (HI)*BLF-2000

BLF-5000

BLF-7000 series

SilverBlack(Installed)

Torque scale

Torque scale

Torque scale* BLF-2000 includes two Torque Adjustment springs. The silver spring is for high torque, while the black spring
installed to the main body is for low torque.
Please use the right spring according to your work.
・The above show the measurement results with a rotation speed of 30. Please use it as a reference.
・The torque values were measured by HIOS Torque Meter HP with a Fidaptor.

■ Exterior dimensions and details of the screwdrivers
b

L

∅ 20

R

BLF-5000

6
2

Brushless Driver

Made in Japan

8
4

a

R

See the details for each machine type.

Exterior dimensions 					ModelTotal Length Diameter of Connector(mm)
body（∅） height (mm)La

● Driver Cord Dimensions
Part Number: BLF7-0611b

BLF-2000

124mm

∅ 38

7mm

BLF-5000

148mm

∅ 40

6.7mm

160mm

∅ 42

6.7mm

BLF-7000
BLF-7000X
BLF-7025X* The concavity and convexity are not considered for the dimensions.

- 11 -

40mm
Cord Length 3m 16mm

■ Figure of installation dimensions● BLF-2000 (H4) s







ȍ

03

ȍ㸲




ȍ




 

ȍ

ȍ

5LJKWKDQGHG㻌VFUHZ5* The flange can be removed byrotating it counterclockwise.

5

● BLF-5000 (H5) s



ȍ

ȍ 



03
/HIWKDQGHG㻌VFUHZ

ȍ

ȍ


 





ȍ

KROHVȍ


5

* The flange can be removed
by rotating it clockwise.

● BLF-7000 (H5) s



ȍ 



03
/HIWKDQGHG㻌VFUHZ

ȍ

ȍ


 





ȍ

KROHVȍ
ȍ

5

* The flange can be removed
by rotating it clockwise.

● BLF-7000X / BLF-7025X (1/4HEX) sKROHVȍ

03
/HIWKDQGHG㻌VFUHZ

ȍ

ȍ


 


+(;



ȍ

㻌+(;
5

(Note) General tolerance is applied to the external dimensions without tolerance indication above.

- 12 -

■ Suction (Vacuum) Attachment BLFQ series
As for vacuum pick up screwdriver, we deal with BLFQ (standard) and BLFR (custom-made)Exterior view of BLFQ
Mouthpiece

Suction (Vacuum) Attachment ASSYBLFQ accessories list
Mouthpiece
Model

Suction Attachment
ASSY

Bit

Model
LengthLengthnumber(L)

DiameterAccessories

Model number

BLFQ-2000

F3

18mm

60mm HIOS H4( ∅ 4)

BLFQ2-SETBLFQ-5000

F631mm 100mm HIOS H5( ∅ 5)

BLFQ5-SETBLFQ-7000

F631mm 100mm HIOS H5( ∅ 5)

BLFQ7-SET

With Hose (Hose size:
Inner diameter ∅ 4 ×
Outer diameter ∅7;
Length: 3.5m)* When you use BLFQ series, please attach the mouthpiece / bit / Suction Attachments in the table (optionalparts).

・ Please contact us about the bit type of 1/4 HEX (hex bit with distance across the flats is 6.35 mm) for BLFQ7000.

Mouthpiece
The model numbers of the mouthpieces holding the screws are as follows:　　F3 (supports BLFQ-2000)　　　　　　　F6 (supports BLFQ-5000 and BLFQ-7000)　　　　｝

Adjustment of mouthpiece (Only the mouthpieces of BLFQ
series are adjustable.)

The length of the screw protrudes from the mouthpiece can The bottom part ofthe screw
be adjusted.
A part
1. Rotate both the A part and B part at the same time to loosen.
B part2. Rotate the A part to open the holder; you can then adjust the length of the screw protrudes
from the mouthpiece.
3. Once adjustment is completed, tighten the B part to lock while holding the A part.

Bits
The bits used in the Suction (Vacuum) Attachment are required to be longer (L length) thanstandard.

L length- 13 -

■ Suction (Vacuum) Attachment BLFR series
OutlineThis attachment is designed to be installed in robots and makes torque adjustment and bit replacement easier. Because replacement is not required, it is optimal for robots.
This attachment can be effectively used for difficult screw fastening positions including deepholes where normal attachment interferes with fastening.
(Note) If you use the BLFR screwdriver in a reverse rotation, be careful about loosening the
bit because it is screwed on.
● Features of BLFR screwdriver・The BLFR Mouthpiece is double mouthpiece structure with a spring. There are 2 types of
those. One is a self-adjustable inner mouthpiece type.
The other one is a self-adjustable outer mouthpiece type.
There is another special mouthpiece that does not touch work piece which prevents workpiece from damaging.
・Compared with the existing HIOS Mouthpiece, the ultimate vacuum of the BLFR Mouthpieceis higher which helps to reduce vacuum screw errors.
・T he edge of the BLFR Mouthpiece touches parallel to the screw head which improves
uprightness of the screw.
・The long Bit Holder prevents cross threaded screws.
Exterior view of BLFR
(1) Suction Attachment ASSY

(3) Mouthpiece with spring(Refer to "P.16-17.”)Torque Adjustment nut
・Torque can be adjusted without
removing the cover.

<Interior structure>
Bit socket(2) Bit(screw type)6
2

Bit holder
Bit Holder ASSY
Screw-on type bit
Bit can be replaced by reversing itself.

Tip shape
Length- 14 -BLFR accessories list (Table 1)
Model(1) Suction Attachment ASSY

(2) Bit (screw type)

Order Code

Tip
Shape

BLFR-5000

BLFR5-SA＋

BLFR-7000X

BLFR7-SA＋

BLFR-7025X

BLFR7-SA

＋

Order
Code

#1 RBP4140S#2 RBP4240S#1 RBP4140S#2 RBP4240S#1 RBP4140S#2 RBP4240S

Bit Holder ASSY

Length Diameter Order Code Length Bit drive
40mm

∅4

BLFR5-3060

122.8
mm

40mm

∅4

BLFR7-3060

122.8
1/4HEX
mm

40mm

∅4

BLFR7-3060

122.8
1/4HEXmm

5HEX* The hose is optional. (Hose size: Inner diameter ∅ 4.6 × Outer diameter ∅ 6; Hose length: 3.5m)

・ Please refer to the cross recess size and screw size below.
#0 (M1.4 - M1.7)　　#1 (M2.0 - M2.6）　　#2 (M3.0 - M5.0)● Please check below before purchasing the BLFR series:
BLFR accessories list (Table 1): (1) Suction Attachment ASSY, and (2) Bit, andSize of spring-loaded mouthpiece suitable for operation (Table 2) need to be selected.
　　Please refer to pages 16 and 17 for the type of spring loaded mouthpiece and applicable screws to select the most suitable size for your work.
　　(Accessories are optional.)* If you have any questions, please contact us.

- 15 -

■ Identification of the BLFR Mouthpiece Order Code

ＦＳ６０－８０Ｊ
Material/Shape:
J → POM / A → Aluminum / S → Stepped
Mouthpiece Inner Diameter: e.g. 80 →φ 8.0
Type of Mouthpiece:
1 → Self-adjustable inner mouthpiece type
0 → Self-adjustable outer mouthpiece typeClassifications of driver torque range: 6 (Only 6 is available at this moment)
Spring: S → with spring
Symbol of Mouthpiece: F (F6, F3)■ Types of spring loaded mouthpiece (attachable to BLFR-5000 and BLFR-7000 series)● Self-adjustable inner mouthpiece type

Order Code: FS61-68
17.5
as vacuuminga screw

Φ8 Φ6.8

Order Code:：FS61-68S
as vacuuminga screw

Φ5.6

Φ4Order Code: FS61-74
as vacuuminga screw

Φ9 Φ7.4* Neither the inner mouthpiece (FS61-68S) nor the outer mouthpiece damage the workpiece
during operation, because they can pick up screws without touching the workpiece.
- 16 -

● Self-adjustable outer mouthpiece type

Order Code: FS60-68J・FS60-68A
17.4
7.6

Φ8

as vacuuminga screw

Φ6.8

POM: FS60-68
Stepped: FS60-68A

Order Code: FS60-80J
as vacuuminga screw

Φ10Φ8Adaptive screw size indications (Table 2)
Screw Size
Screw Type

M2.6
Pan

Binding

Model

BLFR-7025X

Truss

Pan

Binding

FS61-68
FS61-68S

BLFR-5000
BLFR-7000X

M3.0

FS61-68
FS61-68S

M4.0
Truss

Pan

FS61-68S
FS61-74
FS61-74

Binding

Truss

-

-

FS60-68J / FS60-68A-

FS60-80J
M4.0 orlarger-

FS60-68J / FS60-68A-

FS60-80J
M4.0 orlarger-- 17 -

● Movements of the inner mouthpiece
Sliding mouthpiece
Vacuum starts.
Mouthpiece spring
Mouthpiece holder
Sealing with a screw

The sliding mouthpiece moves horizontally to hold the screw head andEngagement withvacuumkeeps it straight.

● Movements of the outer mouthpiece
Sliding mouthpiece
Vacuum starts.

Sealing with a screw

The sliding mouthpiecemoves horizontally tohold the screw head andkeeps it straight.

Engagement withvacuum* Because the mouthpiece is thinner than the screw’s outer diameter, you can effectively fasten thescrew in a narrow space.

● Comparison in case of screw fastening at a slant:

e.g.) 4mm screw is tightened with the pilot hole deviated from the straight position by 1.5mm.
BLFR series

1°Normal screwdriver
Fulcrum

10°

Fulcrum・The screw doesn’t fall becauseof the high fulcrum.

・The screw falls because of thedeviation of the pilot hole.

* With a long bit holder, a screw doesn’t fall and slanted fastening can be prevented.

- 18 -

● Variations
Length of mouthpiece + holder

87.4
85
6
2

Standard (85L)
17.4

・The standard total length of a mouthpiece and a holder is 85L. 32L, 56L, 60L, 95L and 125L
are available as customized specifications.

For deeper holes

27

22.4

Mouthpiece

85
Mouthpiece spring

Mouthpiece holder
Mouthpiece stopper・For deeper holes, the mouthpieces of 41L and 61L are available in addition to 27L.
・Furthermore, for a hole depth of 2.6 mm or smaller, we can prepare a customized mouthpiece.
However, please note that because the customized mouthpiece becomes thinner toward thetip, the vacuum pressure tends to be weak.
* The customized mouthpieces may take longer for delivery depending on the stock status.
Please make an inquiry before placing an order.

- 19 -

■ Exterior dimensions of the suction attachments● BLFQ-2000 (Mouthpiece: F3

Length: 18mm as standard)

ȍ

ȍ

ȍ

ȍ




 *●For bit H4-60mm, dimension from tip of bit to flange is 79.1mm●Dimension of *part depends on the actual length of bit.

● BLFQ-5000 (Mouthpiece: F6

Length: 31mm as standard)

*●For bit H5-100mm, dimension from tip of bit to flange is 117.8mm●Dimension of *part depends on the actual length of bit.

● BLFR-5000 (installed FS60-68J)
Tilt angle 45゜360゜rotation

35.1

102

2.4

17.4

70

φ12

6
2

φ8

85

17

4

196.2

Unit: mm

- 20 -

● BLFQ-7000 (Mouthpiece: F6

Length: 31mm as standard)



r

ȍ

ȍ

ȍ

6
2

ȍ

8
4

ȍ



 *

●For bit H5-100mm, dimension from tip of bit to flange is 122mm●Dimension of *part depends on the actual length of bit.

● BLFR-7000X ／ BLFR-7025X (installed FS60-68J)
Tilt angle 45゜360゜rotation
102
35.1

2.4

8
4

17.4

70

φ12

6
2

φ8

17

3.7

162.8

Unit: mm

(Note:) These are not full-scale drawings.
The drawings in dxf can be downloaded from HIOS website.
- 21 -

■ Vacuum Pump VP-3
● To use the BLFQ and BLFR, Vacuum Pump VP-3 is required.
Specifications of VP-3
Input on the primary side

AC100V,120V or 220-240V ± 5%Power consumption

39 Ｗ

The maximum vacuum- 350mm Hg

Size

200 × 188 × 142 (H) mm

Weight3.8kg- 22 -