Tennis Industry magazine


Stringing Machine Selection Guide 2006 -- Clamping systems

The clamping system is meant to hold strings in the racquet under tension. If clamps slip, or allow strings to slip through them, a string job can be ruined. There are many different clamps, but we will only discuss three here.

Flying Clamps. These clamps are not attached to the machine. They use one string to hold tension on another string. They generally do not hold tension as consistently as the other two types of clamps. The low price tag makes them attractive to new stringers testing the waters.

Fixed Clamps that Swivel. These clamps are attached to the machine and can be turned in any direction, especially helpful when stringing fan patterns. They also allow you to switch from main strings to cross strings without having to remove and replace glide bars. There are two kinds: dual swivel, dual action fixed clamps that require you to lock two levers to clamp a string; and dual swivel, single-action fixed clamps that require you to lock one lever. 360-degree glide bar clamps are clamps that rotate 360 degrees, but they are mounted on glide bars. Single swivel fixed refers to machines with only one clamp attached to the machine. Machines with this type of clamp will generally require a starting clamp or flying clamp for part of each string job.

Fixed Clamps that Don’t Swivel. These are clamps that are attached to the machine by glide bars, but can only be turned in two directions (90 degrees and 0 degrees). These require removing and repositioning glide bars to switch from main strings to cross strings.

Diamond Dust. Holds a string with less pressure, avoiding string crushing but can scar surface of string if they are adjusted too loosely and allow the string to slip through them.

Model Flying Fixed on glide bars Dual swivel double action fixed Dual swivel single action fixed 360° on glide bars Single swivel fixed Dia-
mond dust
Auto. base release Mag. auto base release No tool needed to adjust
601F X
602F X
602S X
603GB X
604S X
603S X
607 X
String Pal 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
Super Stringer II X X
Traveler X X
Sensor X X X X
Sensor Expert X X X X
Star 5 X X
X-2 X X
Progression 602 X X
X-6 X X
Progression 602 FC X X X
X-6 FC X X X
Progression ST II X X X
5003 w/6pt X X X
5003 w/2pt SC System X X X
Progression Es II+ 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
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
Klippermate Bad’ton X X
280-CS X X
440-CS X X
Master Sports
SAM G-Force R1 X
SAM G-Force R2 X X X
SAM ProMaster X X X
Mutual Power
Hercules 610 X X X
Alpine 2000 X
Alpine 2500 X
Alpine 2600 X
Alpine 6000 X
Alpine 6500 X
Alpine 6600
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 X
Atlas 9600 X X X
Digital X8 X X X X
Neos 1000 X . X
3000 X X
Silent Partner
Swing X X
e.Stringer X
e.Stringer 6 point X
e.Stringer CL X X
Jazz X X
e.Stringer FL X X
Maestro X X X
e.Stringer DG X X
Aria X X X
Opus X X X
TF-6000 X X
TF-7000 X X
TF-7000 with Cabinet X X
TF-8000 X X
2086 Professional ETH
ES5 Pro X X


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