Cavity Inserts for Gas Release (Part Numbers - CAD Download)
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LBGV-X100-[70,80,90,100]-[100,120]
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Drawing / Product specification
| Part Number | Material | Hardness | Accessories | Precision Standard |
|---|---|---|---|---|
| LBGV-X | SUS420J2 or equivalent | 31 - 35 HRC | Shoulder bolts (MSB) 2 pcs | Squareness for A/B surface 0.02 mm or less for 100 mm Parallel accuracy of upper and lower surface 0.0.2 mm or less for 100 mm |
Specifications table
| Number of plates | Number of grooves | Supplied bolts | S | Part Number | B | T | |
|---|---|---|---|---|---|---|---|
| Type | A | ||||||
| 5 | 21 | MSB8 - 40 | 0.03 | LBGV-X | 100 | 70 | 100 120 |
| 6 | 28 | MSB8 - 50 | 80 | ||||
| 7 | 35 | MSB8 - 60 | 90 | ||||
| 8 | 42 | MSB8 - 70 | 100 | ||||
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Part Number
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| LBGV-X100-[70,80,90,100]-[100,120] |
| Part Number | Minimum order quantity | Volume Discount | B (Horizontal) (mm) | T (Height) (mm) | |
|---|---|---|---|---|---|
| 1 | 12 Days | 70 ～ 100 | 100 ～ 120 |
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Related Information
■ Cavity Inserts for Gas Release List
| Shape Type | Shape | Size lineup | Material | Part Number | Characteristics |
|---|---|---|---|---|---|
| Harmonica |
| A (Length): 100 B (Width): 70 to 100 T (Height): 60 to 120 | SUS420J2 or equivalent | LBGV-X | A product for large molds with excellent corrosion resistance. Suitable for use with super engineering plastics and engineering plastics. |
| A (Length): 40, 80 B (Width): 40 to 80 T (Height): 12 to 80 | S50C | BGV | A product for medium-sized or smaller products. Also suitable for use with general-purpose resin. | ||
| Round shape |
| D (Diameter): 6, 8, 10 L (Length): 10, 12, 15 | SUS440C | BGVS | Excellent corrosion resistance, releasing gas from the round outer slit. |
● Harmonica Shape Overview
| ■ Features ・ A specific number of plates given gas release groove (S) processing is combined to make a gas release cavity insert block (Figure 1) ・ Clogged resin or tar can easily be removed by removing the fixing bolt (MSB) and disassembling during maintenance. ・ Gas as well as air is released from 0.03 or 0.05mm groove, lowering flow resistance and facilitating molding ・ The vent surface can be processed to suit the shape of finished products (See Example) ・ Effective in releasing gas during mold processing in medium to large size molds | |
| ■ How to Mount 1. Insert where gas is apt to collect such as final filling section. 2. Process the vent surface to suit product type as necessary. 3. We recommend the addition of a relief groove in order to decrease resin clogging in the gas release groove. Ideally, a relief groove should be added by alteration of approximately 0.5 to 1.0 mm thickness, leaving 5 to 12 mm of the gas release groove from the vent surface. (Figure 2) 4. A/B dimension tolerances are positive. Insert into mold by actual fitting process. 5. A tap hole is added on the bottom of the cavity insert. It is for fixing the insert. (See Example) | |
| ■ When Using 1. In BGV, (S) can be selected. Select 0.03 for groove depth when resin has a high fluidity, and 0.05 when resin has a low fluidity. 2. Be sure to identify bolt hole and tap hole (BGV only) on the inside of the cavity insert in the blueprint when processing the vent surface, to avoid problems. 3. Note that tapering on the vent surface enlarges the groove area and may cause clogging. 4. Positioning should be carefully done since the groove shapes may appear on the finished product depending on the groove depth and the kind of resin. 5. This product achieves dimensional precision by performing the final machining in the shape of a block which is a combination of plates with gas release grooves. Be sure to reassemble in the original order if you happen to disassemble it. You can identify the correct order by the diagonal 0.1 mm depth V groove on the bottom of the insert. Slight imbalance may occur due to the precision error in shoulder bolt and hole. Thus assembly should be done on a flat surface with dimension fitting. 6. Each plate for BGV is raw material. Note that it will be damaged if struck with a hard object. |
Alterations
Basic information
| A (Vertical)(mm) | 100 |
|---|
- The specifications and dimensions of some parts may not be fully covered. For exact details, refer to manufacturer catalogs .
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