Slide Retainer

The function of the mold slider: It can slide perpendicular to the direction of mold opening and closing or at a certain angle with the direction of mold opening and closing. The slider is a mold component that can slide perpendicular to the mold opening and closing direction or at a certain angle with the mold opening and closing direction during the mold opening action. When the product structure cannot be ejected directly, it is necessary to use a slider to slide sideways to move the position, so that the product can be ejected vertically. The slider must move a certain distance during the mold opening process, and then it must be able to safely return to the original position; but the side core slider often does not move accurately on a fixed stroke, and may exceed the stroke range or run insufficiently within the stroke. And these situations will lead to:

1. Plastic parts cannot be ejected
2. The slider collides with the inclined guide column when the mold is closed
3. The slider collides with the thimble, etc.

In order to avoid misalignment or collision between mold parts, we need to install a positioning device for the slider, and the positioning device must be flexible and reliable to ensure that the slider is accurately positioned on the stroke distance and the mold is opened and closed smoothly. Slide retainer can provide high-precision positioning of the slider and side core pulling, and complete the opening and closing of the mold safely and reliably, avoiding the misalignment of the slider and the mold and causing the mold to hit.

There are many specifications  on the market, so how to choose the style and specifications of them? Generally speaking, we have to choose reasonably according to the customer’s standard requirements, row space, and slider weight. Our Slide Retainer are marked with the maximum weight they can bear. Exceeding the weight can easily cause the Slide Retainer to fail and make the slider unable to Smooth reset, severe cases may crush the inclined guide post or damage the mold core.  It will take up the internal space of the mold that is not large. Generally speaking, it is safer to choose a load bearing of the Slide Retainer that is twice the weight of the slider itself. On the sky side (the mold is placed on the injection molding machine, the side facing up is called the sky side, and the side facing down is called the ground side), Slide Retainer try not to use the push type (similar to  Z5130,  Z5140,  PSR,  SLK, etc.), and It is safer to choose a caliper type (such as  PSM,  MRT,  Z189, etc.). The push type is recommended for use on the left and right sides. As for the ground side, it can be directly blocked with hexagon socket screws, without using Slide Retainer.

DME’s PSM (PSL) is divided into metric and imperial specifications. The specific selection depends on customer requirements. They have 3 specifications respectively, and the suitable load-bearing capacity is 10kg, 20kg, and 40kg. Generally, customers in the Americas often choose it.

SLK series is MISUMI’s standard . Generally, there are more choices for molds exported to Japan or parts of Southeast Asia.

Most European customers of the STRACK series  choose it, and some European customers specify CUMSA’s RC, PSR, RM and other models.

THREEUP Slide Retainer catalogue has more detailed load-bearing remarks. Customers can choose according to their own slider weight, mold space and customer needs.

Note: When using press-type  similar to Z5130, Z5140, PSR, SLK, when processing the fixed groove on the template, it must be made into a V shape. If it is made into a semi-circular shape, it is easy to damage the Slide Retainer.

FAQ:

1.What are the specifications and models of THREEUP’s Slide Retainer?

Our company can produce the following standards:

DME Metric Standard: PSM0001 PSM0002 PSM0003

MRT-10M MRT-20M MRT-40M

DME British Standard : PSL0001 PSL0002 PS0003

PSR1000 PSR2000 PSR4000

SUPERIOR standard : SLK-8A SLK-25A SLK-50A SLK-16 SLK-20

STRACK standard : Z5130/13 Z5130/18 Z5130/27

Z5140/0 Z5140/1 Z5140/2 Z5135/1 Z5135/2

HASCO standard: Z189/10 Z189/12 Z189/16 Z1892/16 Z1892/19 Z1892/22

CUMSA standard: RC.12306 RC164008 RC205010 RC246012 RC328012 RC328016 RM.651608

MISUMI standard : SLLK-16C SLLK-16F SLLK-20C SLLK-20F C and F represent different spring loads.

2.There are so many categories of Slide Retainer in your company, how do we choose?

The selection of them generally follows the following principles:

First: customer requirements. Generally speaking, European customers are accustomed to using STRACK, CUMSA specifications, HASCO, Japanese and Southeast Asian customers love to use SUPERIOR specifications, MISUMI specifications, and American customers love to use DME specifications. This is not only a problem of habit, but the important thing is that if the Slide Retainer is damaged, the customer It is easier to find the same Slide Retainer locally for replacement.

Second: the sliding block is load-bearing. Generally speaking, according to the weight of the slider itself, the choice of the load bearing of the Slide Retainer is generally safer if it is twice the weight of the slider itself. Generally speaking, the slide Retainer on the sky side (the mold is placed on the injection molding machine, the side facing upward is called the sky side, and the side facing down is called the ground side) Slide Retainer try not to use push-type (similar to Z5130, Z5140, PSR, SLK Etc.), and it is safer to choose a caliper type (similar to PSM, MRT, Z189, etc.). The push type is recommended for use on the left and right sides. As for the ground side, it can be directly blocked with hexagon socket screws, without using Slide Retainer.

3.What is the quality of your Slide Retainer?

Our productes uses high-strength springs, high-quality alloy steel or materials such as 1.2343, which are of high quality. More importantly, we do OEM for several well-known companies, our products and those of well-known companies They have the same quality, but the price is very affordable.

4.How to purchase your Slide Retainer and is there a minimum order quantity?

You can initiate an inquiry on this page, or send an email to tao@szthreeup.com for inquiries. We ship by express delivery such as DHL or TNT, and there is no minimum order quantity requirement.

5.Is there any stock in THREEUP and what is the delivery speed?

The commonly used Slide Retainers are available in stock and can be shipped within 3 days. If you are a dealer and need to buy in large quantities, please contact us to determine the model and quantity you need, and we will quote you and reply to the delivery date.

6.What is the material of the mold Slide Retainer? What are the characteristics of these materials?

Slide Retainer chooses different materials according to different specifications. Among them, PSL/PSM and MRT series products are produced by casting. Their material is alloy steel of 8620, and the hardness can reach HRC58-62. Slide Retainer of other specifications is Only SKD61 (1.2343) material is used for production, but we will use SKD11, which is harder and more wear-resistant, for some key parts. As for products such as RC and RCM, due to the need for a certain degree of toughness and elasticity, we use spring steel 1.8159 with better toughness and elasticity to make them.

8.What are the main aspects to evaluate the performance of Slide Retainer?

First of all: a good Slide Retainer must first have better materials, they must be hard enough and not easy to wear. Secondly: Many  products work through springs, and the quality of springs is very important. Finally: the accuracy of the product is also very important, their size deviation can not be large, so as to ensure the accuracy of the limit.

9.What are the features and differences between PSL and PSM?

PSL and PSM are both DME products. They are almost identical in appearance. The only difference between them is the size of the PSL and PSM. PSL  has 3 sizes: PSL 001, PSL002,PSL003, PSM  also has 3 sizes: PSM001, PSM002,PSM003, each with a load of 10kg. 20kg and 40kg. The user can choose which Slide Retainer to use based on the weight of the Silde, or multiple Slide Retainer can be used simultaneously to increase the load if the location allows.

10.What are the features of MRT? How is he different from PSL/PSM ?

The MRT Slide Retainer is also a product of DME. Its functions are almost the same as those of PSL/PSM. The MRT  also comes in three sizes, namely MRT20M,MRT20M and MRT40M, representing 10kg, 20kg and 40kg load respectively. However, compared to PSL/PSM, it has a shorter distance between the limit screw and the limit rivet (position “F” on the drawing) and a more precise fit after locking.

11.What are the features of PSR?

The PSR is a compact design product from CUMSA that is compact and easy to install. According to different sizes, it is divided into 3 specifications, namely PSR1000,PSR2000,PSR4000, which respectively represent 4.5kg, 9kg, 18kg load.

12.What are the features of the Z5130?

The Z5130  is a STRACK specification. They are compact and takes up little space, making it the easiest product to install. The Z5130 is more sophisticated and accurate in positioning. THREEUP’s Z5130 are  limit section is made of SKH51, a heat-resistant material for longer wear and durability. Z5130 has 3 specifications, 13mm, 18mm and 27mm respectively, with corresponding loads of 3.4kg, 4.2kg and 9.2kg.

13.What are the features of the SLLK?

The SLLK is a MISUMI product. They are similar to the Z5130, however, due to the use of high strength springs, the Slide Retainer has a high load ranging from 28kg to 110kg. Suitable for heavy Slides.

14.What are the features of RRM?

The RRM  is simple and easy to install, but they are greatest feature is that it can be used in a stack. The load of each Slide Retainer is 7.5kg, but due to the lamellar design, multiple Slide Retainers can be stacked on top of each other to increase the load when larger loads are required. We recommend up to 4 tablets stacked together to achieve a load of 30kg.