Spiral Bevel
Gearboxes
• Low Backlash
• Low Transmission Error
• Wide Range of Models
• Wide Range of Ratios
• Universal Mounting
• Special Designs
Motion Components and Engineering Services
AVAI L A B L E T H R O U GH
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Standard Gearbox Specifications and Dimensions, Exercises of Differential Equations
Detailed information on the specifications and dimensions of standard gearboxes available in various speed-reducing ratios. It includes schematics, dimensional drawings, and technical details for different gearbox sizes and configurations. Gearbox types such as standard, ea, za, hw, hr, hrz, and f, each with their own set of speed-reducing ratios ranging from 1:1 to 6:1. It also includes information on radial load capacities, ordering examples, and motor flange dimensions for the f-series gearboxes. This comprehensive technical reference would be useful for engineers, designers, and technicians working with industrial gearbox applications.
Typology: Exercises
2023/2024
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Spiral Bevel
Gearboxes
**- Low Backlash
- Low Transmission Error
- Wide Range of Models
- Wide Range of Ratios
- Universal Mounting
- Special Designs**
Motion Components and Engineering Services
AVAILABLE THROUGH
D I E Q U
A
C O R P O R A
T I O N
Tandler, the world leader in precision spiral bevel gearbox manufacturing, has
been satisfying the most demanding gearing requirements for over 50 years. In
cooperation with DieQua Corporation, we are providing the most extensive and
highest quality spiral bevel gearbox program available. With the lowest backlash
and widest range of ratios and specialty models, you can be assured of maximum
design versatility and superior performance.
Contents
Overview................................................ 3
Sizing Information...................................... 4 - 5
Selection Charts........................................ 6 - 8
Operational Factors........................................ 9
Standard Speed-Reducing - STD............................ 10 - 11
Standard Speed-Increasing - STD........................... 12 - 13
One-Way Auxiliary - EA................................. 14 - 15
Two-Way and Three-Way Auxiliary - ZA....................... 16 - 17
Hollow Shaft - HW..................................... 18 - 19
Reinforced Shaft - WV.................................. 20 - 21
Hollow Pinion - HR/HRZ................................. 22 - 23
Flange Mount - F...................................... 24 - 25
Reversing/Declutching - S/AS............................. 26 - 29
Inline Reversing - W................................... 30 - 31
Technical Data....................................... 32 - 34
Special Designs and Options................................. 35
SIZING
S I Z I N G
S P I R A L
B E V E L
G E A R B O
X E S
Sizing Spiral Bevel Gearboxes
Pertinent Data
- Input speed.
- Gear ratio.
- Horsepower requirement.
- Method of shaft connection.
- Mounting position.
Explanation of Symbols
To select any gearbox, use the appropriate charts
and tables in the pages that follow. All of them use
the following symbols:
n 1
= rpm on pinion d 1
n 2 = rpm on shaft d 2
i = gear ratio = n 1
/n 2
d = a shaft or a pinion
Hp = horsepower
M = torque
Md 1
= input torque, in Newton-meters, Nm
Md 2
= output torque, in Newton-meters, Nm
Nm = Newton-meters
N 1
= input power, in kilowatts, kW
N 2
= output power, in kilowatts, kW
C = operational factor
All Tandler gearboxes are delivered with the appropriate
quantity and type of oil for normal operation. For special
lubrication and mounting requirements, consult the
Technical Data section, page 32.
Pinion d 1
Shaft d 2
S I Z I N G
S P I R A L
B E V E L
G E A R B O
X E S
SIZING
Steps for Gearbox Selection
- Calculate output torque.
Md 2
= 7160 x Hp x i
n 1
- Find the appropriate sizing chart for your gear ratio on
pages 6 through 8.
- Find output torque (Md 2
) on the vertical axis and input
rpm (n 1
)on the horizontal axis. The point of intersection will
fall in a range that identifies the size gearbox you need.
- If your selection approaches the torque capacity of the
gearbox, or if it is subject to extreme conditions, consult the
operational factor chart on page 9.
- If your application approaches the maximum speed of the
gearbox, or is subject to high ambient temperatures, consult the
thermal stress chart on page 9.
- Select the appropriate internal gear arrangement which
specifies shaft rotations.
- Consider how the gearbox is mounted...
- If driving with a belt or gear, consult radial
load capacity information for each type
of gearbox.
- If connecting with rigid or flexible couplings,
consider alignment requirements.
Consult your DieQua representative.
- If any shafts are mounted vertically, consider
special bearing lubrication options.
Consult your DieQua representative.
- Specify the Tandler part number.
(See example below).
Type/Series
Size of Gearboxes
Gear Arrangement
Total Ratio i
tot
= n
: n
Special Option/Design
Specifying the Tandler Part Number
HW A1 III 2 :
S I Z I N G
S P I R A L
B E V E L
G E A R B O
X E S
SIZING Gear Ratios of 1.75:1 and 2:1 Gear Ratios of 2.5:1 and 3:
Gear Ratio of 3.5:1 and 4:1 Gear Ratio of 5:1 and 6:
*1Nm = 8.85 in. lbs.
SIZING
S I Z I N G
S P I R A L
B E V E L
G E A R B O
X E S
Gear Ratios of 1:1.25 and 1:1.5 Gear Ratios of 1:1.75 and 1:
Speed-increasing
*1Nm = 8.85 in. lbs.
Sizing Charts
Spiral Bevel Gearboxes
Selection note: Lines represent the maximum capacity of each size.
STANDARD
S P E E D
R E D U C I N G
Standard Right Angle
Speed-Reducing Spiral Bevel Gearbox
Available Ratios
Right angle 1:1 or speed reduction from shaft d
to d
Available in 8 sizes with 1:1 or 10 speed reducing ratios.
Standard gearbox is available in 1:
and 10 speed-reducing ratios:
1.25:1 3:
1.5:1 3.5:
1.75:1 4:
2:1 5:
2.5:1 6:
Schematic:
Internal Gear Arrangements
S P E E D
R E D U C I N G
STANDARD
General
a
! e
! b
d 2
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
m 2
f
h
k
(1)
M
M
M
M
M
M
M
M
r
DIN 332
Key
DIN 6885
M
M
M
M
M
M
M
M
5x
6x
10x
12x
16x
18x
20x
25x
ø
(2)
(3)
(4)
c j
ø d 2j
i = 1:1 to 2.5:
l 2 g
ø o
ø r
DIN 332
Key
DIN 6885 m 1 l 1 d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
M
5x
6x
10x
12x
16x
18x
20x
25x
Ratios i = 1:1, 1.25:1, 1.5:1, 1.75:1, 2:1, and 2.5:
i = 3:
l 2 g
ø o
ø r
DIN 332
Key
DIN 6885 m 1 l 1 d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
M
4x
6x
10x
10x
10x
16x
16x
20x
Ratios i = 3:
i = 3.5:
l 2
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
M
4x
5x
6x
8x
10x
12x
14x
18x
Ratios i = 3.5:
i = 4:
l 2
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
M
3x
5x
6x
8x
10x
12x
14x
18x
Ratios i = 4:
i = 5:
l 2
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
4x
5x
6x
8x
10x
12x
16x
Ratios i = 5:
i = 6:
l 2
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
STD 00*
STD 01*
STD A1*
STD B1*
STD C1*
STD D
STD E
STD F
M
M
M
M
M
M
M
3x
4x
5x
6x
8x
12x
16x
Ratios i = 6:
Dimensions
Dimensions in mm
Ratio i = d 1
:d 2
= n 1
:n 2
- Available in Meehanite and aluminum version
Subject to changes
STD A1 2:1 III
Type Size Total Ratio Gear Arrangement Special Design (Optional)
Ordering Example
Radial Load Capacities
300 N
500 N
1200 N
1750 N
i = 1:1 to 3:1 i = 3.5:1 to 6:1 i = 1:1 to 3:1 i = 3.5:1 to 6:
Size Size
d 1
d 2
d 1
d 2
d 1
d 2
d 1
d 2
320 N
1000 N
2500 N
3500 N
450 N
1000 N
1500 N
1000 N
2500 N
3500 N
3000 N
3500 N
4000 N
6000 N
4500 N
7000 N
8500 N
10,000 N
2000 N
2400 N
2800 N
3500 N
4500 N
7000 N
8500 N
10,000 N
STD 00
STD 01
STD A
STD B
STD C
STD D
STD E
STD F
The figures in the table above are provided for reference only. Speed, torque, direction of rotation, and direction of applied force will affect the true radial load capacity value.
Please consult your DieQua representative.
N = .22 lbs.
Values are higher with tapered bearing option
(1) Screwed-in length = k • 1.5 (2) 3:1 ratio = 60mm (3) 3:1 ratio = 180mm (4) 3:1 ratio = 265mm
S P E E D
I N C R E A S I N G
STANDARD
General
a
! b c
ø
j
d
ø
1j
e
! m 1
l 1
f g h k (1) o
ø
d 1
i= 1:1.25 and 1:1.
r
thread
key
DIN
d
ø
2j l 2 m 2
80 110 74 14 60 110 30 3.5 13 40 M 6 52
110 145 102 22 82 135 35 3.5 14 45 M 8 70
140 175 130 32 105 165 45 4.5 14 50 M10 90
170 215 160 42 130 210 60 4.5 18 65 M12 110
210 260 195 55 160 275 85 5.0 18 85 M16 135
260 330 245 65 200 340 100 5.0 23 110 M16 150
330 430 310 75 260 435 120 5.0 29 150 M20 230
400 530 380 90 320 550 150 5.0 40 200 M24 270
M 6 5 x 5
M 8 6 x 6
M10 10 x 8
M12 12 x 8
M16 16 x 10
M16 18 x 11
M20 20 x 12
M24 25 x 14
STD 00
STD 01
STD A
STD B
STD C
STD D
STD E
STD F
Type
Ratios i = 1:1.25, 1:1.5, 1:1.75, 1:
Dimensions
i= 1:1.75 and 1:
d 2
r
thread
key
DIN
M 6 5 x 5
M 8 6 x 6
M10 10 x 8
M12 12 x 8
M16 16 x 10
M16 18 x 11
M20 20 x 12
M24 25 x 14
d
ø
2j l 2 m 2
d 2
r
thread
key
DIN
M 5 4 x 4
M 6 5 x 5
M 8 8 x 7
M 8 8 x 7
M12 10 x 8
M16 14 x 9
M16 14 x 9
M16 18 x 11
Dimensions in mm
Ratio i = d 1
:d 2
= n 1
:n 2
(1) Screwed-in length = k • 1.
Subject to changes
Engineering note:
For ratios 1:1.75 and 1:2, the d
shaft diameter decreases in size.
STD A1 1:2 III
Type Size Total Ratio Gear Arrangement Special Design (Optional)
Ordering Example
Radial Load Capacities
300 N
500 N
1200 N
1750 N
i = 1:2 to 1:1 i = 1:2 to 1:
Size Size
d 1
d 2
d 1
d 2
320 N
1000 N
2500 N
3500 N
3000 N
3500 N
4000 N
6000 N
4500 N
7000 N
8500 N
10,000 N
STD 00
STD 01
STD A
STD B
STD C
STD D
STD E
STD F
The figures in the table above are provided for reference only. Speed, torque, direction of rotation,
and direction of applied force will affect the true radial load capacity value.
Please consult your DieQua representative.
N = .22 lbs.
Values are higher with tapered bearing option
EA
O N E - W
A
Y
A
U X I L I A R Y
Auxiliary
Type EA One-way Auxiliary Branch-off Spiral Bevel Gearbox
Available Ratios
One input and up to three output shafts in one plane.
Engineering note: d
and d
operate at the same speed.
Type EA gearbox is available in 1 :
and 10 speed-reducing ratios:
1.25:1 3:
1.5:1 3.5:
1.75:1 4:
2:1 5:
2.5:1 6:
and 4 speed-increasing ratios:
1:1.25 1:1.
1:1.5 1:
Dimensions
The dimensions for the 8 sizes of speed-reducing ratios
are the same as those for STANDARD speed-reducing
gearboxes. See the table on page 11.
The dimensions for 8 sizes of speed-increasing ratios
are the same as those for STANDARD speed-increasing
gearboxes. See the table on page 13.
Internal Gear Arrangements
Schematic:
d 1
d 2
ZA
T W
O
A N D
T H R E E - W
A
Y
A
U X I L I A R Y
Auxiliary
Type ZA Two- and Three-way Auxiliary
Branch-off Spiral Bevel Gearboxes
Available Ratios
One input and up to five output shafts make this
gearbox an extremely versatile option for custom
applications.
Type ZA gearbox is available in
10 speed-reducing ratios:
1.25:1 3:
1.5:1 3.5:
1.75:1 4:
2:1 5:
2.5:1 6:
and 4 speed-increasing ratios:
1:1.25 1:1.
1:1.5 1:
(Note: 1:1 ratio not available).
Dimensions
The dimensions for the 8 sizes of speed-reducing
ratios are the same as those for STANDARD speed-
reducing gearboxes. See the table on page 11.
The dimensions for 8 sizes of speed-increasing ratios
are the same as those for STANDARD speed-
increasing gearboxes. See the table on page 13.
Monitoring the Oil Level
Auxiliary pinion ZA style gearboxes may require
special oil level monitoring. For a two-way ZA
auxiliary gearbox, the normal oil level sight-glass
may be used only if the face of the gearbox with the
sight-glass is mounted horizontal and is visible. For
all three-way ZA auxiliary gearboxes, an external oil
level sight-glass must be used. The schematic below
left indicates the various positions available. This is
Tandler special design S-545. When ordering a
gearbox with this feature, please specify this special
design number and position of the sight glass:
(example: A1 ZA-III 2:1 S-545-A).
Also see page 32 for additional lubrication
information, or consult your DieQua representative.
Vertical Shaft Applications
Gearboxes mounted with a shaft in a vertical
position will require special lubrication options. The
bearings supporting the upper portion of the vertical
shaft generally do not receive sufficient quantities of
oil for proper lubrication and cooling. Several
options exist:
- For vertical pinions S515 d1:
The pinion is supported by two preloaded angular
contact ball bearings. The lower bearing is
replaced by a sealed bearing, and the pinion cavity
is filled with grease.
- For vertical shafts S515 d2:
The ball bearing supporting the upper portion of
the vertical shaft is replaced with a permanently
lubricated sealed ball bearing.
Schematic:
d 1
d 2
d 5
d 3
/ d 4
T W
O
A N D
T H R E E - W
A
Y
A
U X I L I A R Y
ZA
Internal Gear Arrangements
2 WAY
AUXILIARY
SPEED REDUCING* SPEED INCREASING*
3 WAY
AUXILIARY
STD A1 2:1 ZAIII
Type Size Total Ratio Gear Arrangement Special Design (Optional)
Ordering Example
ZA I
ZA II
ZA III
ZA IV
ZA VII
ZA VIII
ZA IX
ZA X
ZA I
ZA II
ZA III
ZA IV
ZA VII
ZA VIII
ZA IX
ZA X
SPEED REDUCING SPEED INCREASING
ZA V
ZA VI
ZA XI
ZA XII
ZA V
ZA VI
ZA XI
ZA XII
Radial Load Capacities
300 N
500 N
1200 N
1750 N
i = 1:2 to 3:1 i = 3.5:1 to 6:1 i = 1:2 to 3:1 i = 3.5:1 to 6:
Size Size
d 1 =
d 3 =
d 4
d 2
d 1 =
d 3 =
d 4
d 2
d 1 =
d 3 =
d 4
d 2
d 1 =
d 3 =
d 4
d 2
320 N
1000 N
2500 N
3500 N
450 N
1000 N
1500 N
1000 N
2500 N
3500 N
3000 N
3500 N
4000 N
6000 N
4500 N
7000 N
8500 N
10,000 N
2000 N
2400 N
2800 N
3500 N
4500 N
7000 N
8500 N
10,000 N
STD 00
STD 01
STD A
STD B
STD C
STD D
STD E
STD F
The figures in the table above are provided for reference only. Speed, torque, direction of rotation, and direction of applied force will affect the true radial load capacity value.
Please consult your DieQua representative. Note: d 1 = d 3 = d 4 N = .22 lbs.
Values are higher with tapered bearing option
* Note: 1 shaft runs slower. All other shafts run faster and at the same speed
H O L L O
W
S H A F T
HW
Dimensions in mm
Ratio i = d 1
:d 2
= n 1
:n 2
Available in Meehanite and aluminum version
Subject to changes
HW A1 2:1 III
Type Size Total Ratio Gear Arrangement Special Design (Optional)
Ordering Example
Radial Load Capacities
300 N
500 N
1200 N
1750 N
i = 1:1 to 3:1 i = 3.5:1 to 6:1 i = 1:1 to 3:1 i = 3.5:1 to 6:
Size Size
d 1
d 2
d 1
d 2
d 1
d 2
d 1
d 2
320 N
1000 N
2500 N
3500 N
450 N
1000 N
1500 N
1000 N
2500 N
3500 N
3000 N
3500 N
4000 N
6000 N
4500 N
7000 N
8500 N
10,000 N
2000 N
2400 N
2800 N
3500 N
4500 N
7000 N
8500 N
10,000 N
HW 00
HW 01
HW A
HW B
HW C
HW D
HW E
HW F
The figures in the table above are provided for reference only. Speed, torque, direction of rotation, and direction of applied force will affect the true radial load capacity value.
Please consult your DieQua representative.
N = .22 lbs.
Values are higher with tapered bearing option
General
a
! e
! b
Hollow Shaft d 2
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
m 2
f
h
D
k
(1)
M
M
M
M
M
M
M
M
involute spline
type HWZ
A25 x 22
A30 x 27
A40 x 36
A50 x 45
A60 x 55
A65 x 60
A75 x 69
t splines
u
J
for Key
DIN 6885 Sh.
5x
6x
8x
10x
14x
16x
18x
20x
straight sided spline
type HWK
21 x 25 x 5 (5463)
28 x 32 x 7 (5462)
36 x 42 x 8 (5472)
42 x 48 x 10 (5472)
46 x 54 x 9 (5463)
58 x 65 x 14 (5472)
68 x 78 x 16 (5472)
ø c j
ø d H
i = 1:1 to 2.5:
g
ø o
ø r
DIN 332
Key
DIN 6885 m 1 l 1 d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
M
M
5x
6x
10x
12x
16x
18x
20x
25x
Ratios i = 1:1, 1.25:1, 1.5:1, 1.75:1, 2:1, and 2.5:
i = 3:
g
ø o
ø r
DIN 332
Key
DIN 6885 m 1 l 1 d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
M
M
4x
6x
10x
10x
10x
16x
16x
20x
Ratios i = 3:
i = 3.5:
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
M
M
4x
5x
6x
8x
10x
12x
14x
18x
Ratios i = 3.5:
i = 4:
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
M
M
3x
5x
6x
8x
10x
12x
14x
18x
Ratios i = 4:
i = 5:
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
M
4x
5x
6x
8x
10x
12x
16x
Ratios i = 5:
i = 6:
g
ø o ø
r
DIN 332
Key
DIN 6885
m 1
l 1
d 1j
d 1
Size
HW 00*
HW 01*
HW A1*
HW B1*
HW C1*
HW D
HW E
HW F
M
M
M
M
M
M
3x
4x
5x
6x
8x
12x
Ratios i = 6:
Dimensions
For shrink disc bore
diameters, please
consult your DieQua
representative.
(1) Screwed-in length = k • 1.
WV
R E I N F O R C E D
S H A F T
Reinforced Shaft
Type WV Reinforced Shaft Spiral Bevel Gearbox
Larger, heavier cross shaft. A cost-effective alternative
where partial torques fork off a main line shaft. The
torque, speed, and radial load capacity for type WV
gearboxes are equivalent to STANDARD version
gearboxes.
Application Example
A web style printing press with multiple print stations is
an excellent application example for a type WV gearbox.
In a web press, one main drive motor is used to drive
numerous print stations at right angles to the main drive
shaft. The larger through shaft can transmit the entire
machine torque, while the gears drive only the individual
print stations. The result is a smaller gearbox size and
increased line-shaft rigidity.
Internal Gear Arrangements
Available Ratios
Type WV gearbox is available in 1:
and 10 speed-reducing ratios:
1.25:1 3:
1.5:1 3.5:
1.75:1 4:
2:1 5:
2.5:1 6:
Schematic: