Tennis Industry magazine

 

Stringing Machine Selection Guide 2006 -- Tensioning systems

There are two main types of tensioning systems available today — lockout and constant pull. Lockout means that the machine pulls the string to the desired tension and then locks the length of the string until you clamp it and release the tension head. So, as soon as you lock the length of the string, it starts equalizing and losing tension. Constant-pull machines pull the string to the desired tension, but when the string starts to equalize and lose tension, it pulls a little more to stay at reference tension. Constant-pull machines generally achieve slightly higher stringbed stiffness (we find the difference to be about 5 percent to 10 percent).

Drop Weight. These machines use a lever (with a weight attached to it) to pull tension on each string. Moving the weight on the bar determines how much tension it pulls. These machines qualify as constant pull because the weight continues to pull the string as the string stretches.

Hand Crank. Tension is pulled by hand crank. These machines lockout when the desired tension has been reached.

Electric. These machines require electricity to pull tension. Most of these machines are constant pull, but a few allow you to choose between constant pull and lockout modes. Some offer multiple pull speeds and a pre-stretch mode.

Linear Pull & Rotational Tensioners. Machines that pull tension in a straight line away from the machine are said to be linear pull. The alternative is a rotational tensioner, which wraps the string around a spool, then rotates the spool to pull tension on the string.

Diablo/Nosecone. The string is wrapped around the diablo or nosecone before it is put in the tension head, allowing the tension head to grip the string more gently and ensuring the string enters the tension jaws at the same angle each time.

Foot Tension. Foot-activated tension head.

Manual Calibration. Allows you to adjust (correct) the pulling force manually, as opposed to a few machines that are designed to calibrate themselves automatically.

Diamond Coated Tension Head. Grips the string with less pressure.

Tension Sets. Three types: dial tension set, +/- key tension set, and numeric keypad.

Knot Tensioning. The machine can be instructed to pull the last string before a knot tighter than the reference tension to allow for the tension that is lost between the clamp and the knot.

Model Drop wt Full clutch drop Rachet system drop Hand crank 2-sided crank Electric Mult. speed pull Constant pull Lockout
AG
601F X X
602F X X
602S X X
603GB X X
604S X X
603S X X
607 X X
Alpha
String Pal X X X
Pioneer DC Plus X X X
Revo 4000 X X X
Axis Pro X X X
Apex II X X X
Eclipse X X X
Equinox X X X
ATS
Super Stringer II X X X
Traveler X X X
Babolat
Sensor X X X
Sensor Expert X X X
Star 5 X X X
Gamma
X-2 X X X
Progression 602 X X X
X-6 X X X
Progression 602 FC X X X
X-6 FC X X X
Progression ST II X X
X-ST X X
5003 w/6pt X X
5003 w/2pt SC X X
Progression Es II+ X X
X-Es X X
6004 w/6pt X X X
6004 w/2pt X X X
6500 Els w/6pt X X X
6500 Els w/2pt X X X
5800 Els w/6pt X X X
5800 Els w/2pt X X X
8800 Els w/6pt X X X
8800 Els w/2pt X X X
8500 Els X X X
Klipper USA
Klippermate X X
K’mate Bad’ton X X
280-CS X X
440-CS X X
Master Sports
SAM G-Force R1 X X X
SAM G-Force R2 X X X
SAM XLR8 X X X
SAM XLR8+ X X X
SAM NRG X X X
SAM NRG+ X X X
SAM ProMaster X X X
Mutual Power
Hercules 610 X X X X X
Alpine 2000 X X X
Alpine 2500 X X X
Alpine 2600 X X X
Alpine 6000 X X X
Alpine 6500 X X X
Alpine 6600 X X X
Hercules 630 X X X
Hercules 650 X X X
Titan 7600 X X X
e-Bravo 550 X X X
e-Bravo 760 X X X
Atlas 8600 X X
Atlas 9600 X X
Pacific
Digital X8 X X X
Prince
Neos 1000 X X X
3000 X X X
Silent Partner
Swing X X X
e.Stringer X
e.Stringer 6 point X
e.Stringer CL X
Jazz X X
e.Stringer FL X
Maestro X X
e.Stringer DG X X X
Aria X X X
Opus X X X
Tecnifibre
TF-6000 X X X
TF-7000 X X X
TF-7000 with Cabinet X X X
TF-8000 X X X
Wise
2086 ETH X X X X
Yonex
ES5 Pro X X X

(Con’t.)

Model Pre- stretch Linear pull Self- elevating linear pull Auto. tension release Diablo/
nose cone
Rotational tensioner Foot pedal Pounds & kilos
AG
601F X X
602F X X
602S X X
603GB X X
604S X X
603S X X
607 X X
Alpha
String Pal X X
Pioneer DC + X X X
Revo 4000 X X
Axis Pro X X
Apex II X X
Eclipse X X
Equinox X X X X
ATS
Super Stringer II X X
Traveler X X
Babolat
Sensor X X X
Sensor Expert X X X X X
Star 5 X X X X
Gamma
X-2 X X
Progression 602 X X
X-6 X X
Progression 602 FC X X
X-6 FC X X
Progression StII X X X
X-ST X X X
5003 w/6pt X X X
5003 w/2pt SC X X X
Progression EsII+ X X X
X-Es X X X
6004 w/6pt X X X
6004 w/2pt X X X
6500 Els w/6pt X X X
6500 Els w/2pt X X X
5800 Els w/6pt X X X X X
5800 Els w/2pt X X X X X
8800 Els w/6pt X X X X X
8800 Els w/2pt X X X X X
8500 Els X X X X X
Klipper USA
Klippermate X X
K’mate Bad’ton X X
280-CS X X
440-CS X X
Master Sports
SAM G-Force R1 X
SAM G-Force R2 X
SAM XLR8 X X
SAM XLR8+ X X
SAM NRG X X X
SAM NRG+ X X X
SAM ProMaster X X X X
Mutual Power
Hercules 610 X X
Alpine 2000 X X
Alpine 2500 X X
Alpine 2600 X X
Alpine 6000 X X
Alpine 6500 X X
Alpine 6600 X X
Hercules 630 X X
Hercules 650 X X
Titan 7600 X X
e-Bravo 550 X X
e-Bravo 760 X X
Atlas 8600 X X
Atlas 9600 X X X
Pacific
Digital X8 X X X X X X
Prince
Neos 1000 X X
3000 X X X X X
Silent Partner
Swing
e.Stringer X X
e.Stringer 6pt X X
e.Stringer CL X X
Jazz X X
e.Stringer FL X X
Maestro X X
e.Stringer DG X X X
Aria X X X X X
Opus X X X X
Tecnifibre
TF-6000 X X
TF-7000 X X X
TF-7000 w/cab X X X
TF-8000 X X X X
Wise
2086 ETH X X X X
Yonex
ES5 Pro X X X X

(Con’t.)

Model Manual calibration adjustable Self-calibrating Diamond coat tension head grip Knob/
dial tension setting
+/- touch pad tension set Full keypad tension setting LED/ LCD display Knot tensioning Removable electric tensioner unit
AG
601F
602F
602S
603GB X X
604S X X
603S X X
607 X X X
Alpha
String Pal
Pioneer DC Plus
Revo 4000 X X
Axis Pro X X
Apex II X X
Eclipse X X
Equinox X X X X X X
ATS
Super Stringer II X
Traveler X
Babolat
Sensor X X X X X
Sensor Expert X X X X X
Star 5 X X X X X
Gamma
X-2 X
Progression 602 X
X-6 X
Progression 602 FC X
X-6 FC X
Progression StII X X X
X-ST X X X
5003 w/6pt X X X
5003 w/2pt SC X X X
Progression EsII+ X X X X X
X-Es X X X X X
6004 w/6pt X X X
6004 w/2pt X X X
6500 Els w/6pt X X X X X
6500 Els w/2pt X X X X X
5800 Els w/6pt X X X X X X X
5800 Els w/2pt X X X X X X X
8800 Els w/6pt X X X X X X X X
8800 Els w/2pt X X X X X X X X
8500 Els X X X X X X X X
Klipper USA
Klippermate
K’mate Bad’ton
280-CS
440-CS
Master Sports SAM
G-Force R1 X
G-Force R2 X
XLR8 X X X
XLR8+ X X X
NRG X X X X X X
NRG+ X X X X X X
ProMaster X X X X X X
Mutual Power
Hercules 610 X
Alpine 2000 X
Alpine 2500 X X X X
Alpine 2600 X X X
Alpine 6000 X
Alpine 6500 X X X X
Alpine 6600 X X X
Hercules 630 X
Hercules 650 X X X X
Titan 7600 X X X
e-Bravo 550 X X X
e-Bravo 760 X X X
Atlas 8600 X X X
Atlas 9600 X X X
Pacific
Digital X8 X X X X X
Prince
Neos 1000 X X
3000 X X X X X
Silent Partner
Swing X
e.Stringer X X
e.Stringer 6pt X X
e.Stringer CL X X
Jazz X X
e.Stringer FL X X
Maestro X X
e.Stringer DG X X X X X
Aria X X X X X
Opus X X X X X
Tecnifibre
TF-6000 X X X X X
TF-7000 X X X X X
TF-7000 w/cab X X X X X
TF-8000 X X X X X
Wise
2086 ETH X X X X
Yonex
ES5 Pro X X X X X

 

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