Starpery Doll – Weight Reduction 4.0 Coming

On In All Blog, Starpery Doll

Starpery Doll has launched their super realistic hybrid sex doll range and full silicone sex doll range. Choose between a TPE body and silicone head, or opt for the full-silicone doll for an ultra-realistic finish. Starpery doll uses their very own premium “platinum silicone” blend for that extra realistic feeling and super soft touch. All models have full-body, permanent painting and definition are available.

Estimated Production Time:  Starpery TPE Dolls – 10-15 workdays. | Starpery Silicone Dolls –15-20 workdays
Estimated Shipping time: 7-15 days to the USA, 25-35 days to Europe. 

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In 2021, as the first brand in the sex doll industry to realize TPE and silicone doll weight reduction technology, Starpery achieved good results in terms of weight and softness.

 

However, when the weight reduction technology was applied to production, we found it difficult to standardize the weight reduction, resulting in some dolls being a bit stiff or heavy. The weight loss data changes frequently….

 

After further testing and research, we found:

If we choose the softer W.R. foam core, the much heavier silicone/TPE materials (weighing up to 25kg) will severely squeeze the foam core when pouring, which causes the foam core to harden and makes the weight loss poorer…

If we choose the harder W.R. foam core, the doll will be much lighter but with a poorer softness…

How do we better control and balance these two aspects? This contradiction has always haunted W.R. 3.0…

Therefore, Starpery is determined to find a better way to resolve this contradiction.

Based on the above analysis, we found that reducing the extrusion of the TPE/silicone material on the W.R. inner core is necessary during the pouring production.

BUT! How can this be achieved?

At the beginning of 2022, Starpery W.R. Team was formed. Independent of our factory, we started R&D testing in a small room.

Our team tried various methods…

Method 1:

Keep the doll mold lying flat then pour the materials to reduce the gravity effects of TPE/silicone on the W.R. inner core…

Method 2:

Use the spindle frame to fix the doll mold for rotary pouring, then inject the foam inside the mold… (Since the picture was lost, we found a similar picture of the spindle frame on the Internet, as shown below)

Method 3:

Try the drip irrigation method to pour the material into the mold…

Until the Nth method, we still didn’t find a better, more effective, standardized method to achieve it. Then, our team became suspicious and even thought that achieving effective weight loss and the great softness was an irreconcilable contradiction.

After taking so much time in R&D, should we continue?

Persuaded by our company’s leaders, the W.R. team chooses to persevere!

But Where is the way…

Our team came up with an idea: How about separating the mold and pouring silicone/TPE below the body first, then pouring the rest before they solidified?

Therefore, we selected 172 bodies for the First Silicone mold redesign and remolding.

After the mold was done, we started production and got a softer & lighter doll, but there added more mold lines also some parts of the body are prone to lack of material, as pictures show:

When we saw the light at the end of the tunnel, more problems arose… It has taken more than half a year, and it seems that we have returned to the original point…

Then, our team summarized their work in the past six months and got some useful tips:

  1. The non-woven fabrics we used all the way will increase the hardness of the foam core. We need to find a way to cancel it and make the foam core directly attached to the silicone.
  2. Use the drip irrigation method to pour the material into the mold. Although it is slow, it helps a lot to slow down the compression of the material on the inner core.
  3. The material pouring method changes. Adopt the horizontal mold pouring first, then vertical pouring.

At the beginning of 2023, our W.R. team started to use the new method. Improving the foam core mold reduced the errors between the skeleton and the inner core and the situations of uneven skin and a body lacking material.

Meanwhile, control the thickness of the doll’s skin by controlling the thickness of the foam core.

The doll skeleton + foam core + doll mold are integrated into one piece!

Through those improvements, we finally made a more satisfactory 172 body. This one is about 5.3kg lighter than the W.R. 3.0 body and with a more realistic softness.

Although we got relatively satisfactory results in the laboratory, there is still a big difference in mass production. In fact, the defective rate has always been a problem for super weight reduction.

Moreover, we wanted to minimize the mold line, so we modified the mold again…

Restore the mold to the original design but add openings in the hand and feet areas, which are used to fix the skeleton and to make the hard hand and feet.

This further reduces the thickness of the foam core and allows a certain amount of silicone material pressure on it to achieve a better result. In the pouring, we purchased a new machine to standardize production.

In July, we tested 172 and 151 two dolls. With W.R.4.0, these two dolls are much lighter:

172 body weight can be reduced from 35+kg (W.R. 3.0) to 29kg,

151 body weight can be reduced from 25kg (W.R. 3.0) to about 19kg.

Also, their softness is so great.

The softness of the entire silicone doll is solid, not only soft on the skin surface but soft overall, even softer than TPE.

In October, we completed multiple pouring tests of these 2 dolls, which basically confirmed the effect.

Then we started the toughness tests of the dolls and so on.

The development of W.R. 4.0 also lets us believe that we can solve the contradiction between softness and weight. However, more time is still needed to continue optimizing and improving. Especially the effect after adding those extra options: heating, moaning, clamping & suction, gel butt and so on….

At the beginning of 2024, we will release 172&151, and the other bodies will be gradually opened after the completion of testing.

Due to the complicated modification process of the old mold, some body details were reduced during the process.

So, a new brand will be established in 2024. We will bring more new products and functions to all customers.

Thank you all for your support along the way.

More often than not, Starpery chooses silence because we have been working hard! 

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