News - 2025 Siboasi S3169 tennis and badminton stringing machine from siboasi factory directly
English

For Siboasi S3169 stringing rackets machine in 2025, siboasi factory upgraded the new version with some parts like new better clamps for the machine, and new better track parts…etc., making the Siboasi S3169 model is more popular in market . S3169 restringing machine is for both tennis racket and badminton racket  , comparing with other brands, it is in very competitive price, very durable and portable , that is why it is such the most hot selling model all these years in this field.


Function Parameters for Siboasi S3169 restring machine :

Main head system
  • 1.Intelligent computer automatic pound correction, precise to ±0.1.
  • 2.Stable constant pull function.
  • 3. Power-on self-checking system.
  • 4. Store memory function,can set 4 groups of weight.
  • 5. Pulse width modulate,variable speed can be available, protecting the string from hurting when the string
  • is in tension.
  • 6.4 groups of prestretch,suitable for different string.
  • 7. Sensor automatic string control,improving stringing speed and avoid breakdown.
  • 8. Store memory for stringing times.
  • 9. Three gears for speed.
  • 10. Knot and pound increasing set, automatically reset after finishing.
  • 11.”Menu” includes Chinese and English interface, function parameter.
  • 12. Three gears for voice.
  • 13.The voltage is 100-240V, suitable for any countries.
  • 14.LB and KG transfer function.
  • 15.Pound adjust function.
  • 16.Automatic back head function when over time.
  • 17.Stringing head has the string protection system,which can adjust according to the stringing route.
  • 18. Full tool set for free.
Racket holding system
  • 1.Synchronous racket clamped system, six point positioning, more flexible, fast and uniform stress
  • 2.U-clamp with high strength and wear-resistant material, non-skidding and no hurting the racket
  • 3.Advanced automatically clamp base system
  • 4.Adjustable five teeth clamp, stainless steel material, tight clamp, non-skidding and no hurting the string

Working plate and main head components

Instruction

 

Panel Introduction

tennis rackets string machine

  • 1.Speed:Press the “speed” button to adjust three level speed:”1″”2″”3″.
  • 2.Constant pull:When the function is start, the LED light is on,the machine will do adjustment
  •     and keep the same value when it reach the set data. If the button is not on, when
  •     you string to the set data,the machine just have a simple brake,cannot do
  •     adjustment.Due to different string,the pound will drop gradually.
  • 3.Sound: Press the“ menu” button and enter into menu interface,please press “+””-” to
  •     choose sound function and press enter button to adjust three level 2(high); 1(middle); 0(silence).
  • 4.KG/LB:When you choose KG/LB,the light will be on.
  • 5.-:Decrease the pounds,the lowest is 10LB or 4.5KG.
  • 6.+:Increase the pounds,the highest is 90LB or 40.9KG.
  • 7.Stock: Pounds memory button,you can stock 4 sets pounds as you like,default 4 sets stock
  •     pounds:15LB,30LB,50LB,70LB.If you want to change the 15LB to 20LG, please choose 15LB and
  •    use “+”button to increase the pounds to 20LB,then press “enter” button,the pounds
  •    has been changed successfully.
  • 8. Pre-stretch: Press the pre-stretch button to adjust five level pull,”0%””10%”’15%’”20%”"25%”.
  •    It makes stringing easier and guarantee the weight stable in case the string rebound
  •    and uneven weight between lines.
  • 9.Knot: Press the menu button and enter into menu interface,please press “+””-” to choose
  •    knot function and press enter button to adjust four level pull: “5%”’10%’”15%”"20%”.
  •    When you choose this function at “50LB” with 10% knot function,the pounds will be
  •   “55LB”,when you finish the knot,the pounds will be back to “50LB” automatically.
  • 10.Time Limit : You can choose one,two or three minutes as the pulling time,when you didn’t
  •    pull lines over the time as you set,the tension head will move back automatically.
  • 11.Menu: You can set all the function parameter and choose Chinese or English as the display language.
  • 12.Work/Stop:Work and stop function.
 
Power on
Connect the power(100V to 240V),the machine will enter into self-checking system.
The panel display will count backwards from NO.”999″,the stringer will go forth and back
with slow speed.Please kindly keep no resistance on the stringer and no button operating when
self-checking
tennis stringing machine
SIBOASI RACKET STRINGING MACHINE SIBOASI S3169
Siboasi factory contact directly :       sukie@siboasi.com.cn              Whatsapp/Wechat: +86 136 6298 7261
Post time: Jul-23-2025