Ejector Guide Pins Hardness Strength And Reduces Wear Molding Ceramic Ejector Guide Pin Rods

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Ceramic mould injection part

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Ejector Guide Pins Hardness Strength And Reduces Wear Molding Ceramic Ejector Guide Pin Rods

Materials：Alumina (Al2O3)/ Zirconia(ZrO2) /Si3N4 /SiC ...etc
Sizes：Custom according to the drawings
Delivery times：2 -25 days(depends on the quantity)
Precision：Ra 0.1um tolerance: 0.001mm... etc
Features：Heat resistance / Wear resistance / High purity / Refractory / High Corrosion / Good Insulation...
Customized：Can be custom for special sizes and shapes
1. Factory price and shipment within 24 hours In stocks
2. MOQ:1qty
3. Payment Term: PayPal; T/T; L/C etc.
4. Shipment: by sea by air by courier by post etc.

Free quotes notice:

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Ejector Guide Pins Hardness Strength And Reduces Wear Molding Ceramic Ejector Guide Pin Rods

Custom Alumina Zirconia ceramic mould injection parts

High precision Alumina Zirconia Ceramic Mould Injection Parts OEM

Ceramic Ejector guide pin for injection performs extremely well in extremely high pressure, high strength, abrasion and high temperature environments, much better than metal materials.

The ceramic ejector guide pin is also known as the push plate guide pin and ACTS as a guide for the ejector plate to slide.Because the injector guide bush slides, a hard material is used.The ceramic injector guide bushing is also known as the push plate guide tube.It is a cylindrical part used to position the injector by matching the guide pin.

The purpose of ceramic ejector guide system (Pin & Bush) is to align & take the pressure of Return Pin, Ejector Pin & Sprue Puller Pin.
The ceramic injection guide bush is located between Ejector & Ejector Retainer Plate and the Guide Pin is either guided or bolted in Bottom Plate or in Support Plate.

The main materials of the ceramic ejector pins:
· 95%--99.99% Alumina (Al2O3)
· Silicon Carbide
· Silicon Nitride
· TTZ: Magnesia partially stabilized Zirconia (ZrO2)
· YTZP: Yttria partially stabilized Zirconia (ZrO2)
· ZDY: Yttria fully stabilized Zirconia (ZrO2)

Part of us oem ceramic guide pin sizes(include but not limited belows)

OuterDiameter (Inch)	Outer Diameter (mm)	Maximum Length
0.011	0.28	12in / 305mm
0.020	0.51	12in / 305mm
0.022	0.56	12in / 305mm
0.024	0.61	12in / 305mm
0.029	0.74	12in / 305mm

Dimension and tolerance of oem :
·Diameter as small as 0.2mm， depends on length
·Length as long as 400mm, as short as 0.5mm
·Diameter tolerance we could make as fine as 0.001mm
The length, thickness , diameter and shape of the ceramic plates are customized.

Type of Ejector ceramic guide pins
Retaining ring type
JIS centering location type
JIS stuck-out type
Centering location type
Stuck-out type

Ejector Component List
this list is standard minimum to make ejector system
1. Ejector plate, place for ejector and ejector guide bush, shoulder bolts and return pin.
2. Ejector Backing Plate, place for clamping the ejector and push back the ejector.
3. return pin, push the ejector plate and ejector backing plate to first position.
4. spring in return pin, to make sure and holds the ejector plate so it's always in back position, when in assembling process, it can lift up the ejector pin, and ejector plate so the position always in back, give the little preloads to ejector plate to make sure the ejector plate position.
5. shoulder bolts, first time lock in assembling molds
6. ejector pin, eject and push the product from core.
7. ejector guide pin, guide the moving of ejector plate.
8. ejector guide pin bush, to make sliding and prevent large contact when moving.
9. support pillar, to prevent large deflection of core plate when injecting the plastic material process held.
10. ejector rod, contact with rod in injection machine, this also passing force from injection machine to ejector plate.
11. ejector bolts, to tie up between ejector plate and ejector backing plate.

Delivery:
Custom OEM will be shipped within 15 days after determining the parameters
The samples will be shipped within 3 days
Quick Delivery Via Fedex,DHL,UPS,TNT Etc.
Support customer to designate shipping company
For more informations （the price,delivery time,moq etc, please contact us or email:admin@cerampart.com

Machining process
Raw materials-Molding process - Sintering - Machining & Grinding - Quality Inspector

Mingrui ceramic parts property

· Flexural strength	· Chemical resistance	· Electrical insulation	· Corrosion resistance	· Dielectric strength
· Wear resistance	· Temperature resistance	· Thermal conductivity	· High voltage	· Hardness...

Ceramic materials(include but not limited belows)
· 95%--99.99% Alumina (Al2O3) · Silicon Carbide · Silicon Nitride · TTZ: Magnesia partially stabilized Zirconia (ZrO2)
· YTZP: Yttria partially stabilized Zirconia (ZrO2) · ZDY: Yttria fully stabilized Zirconia (ZrO2)...

	Al ₂O ₃	ZrO2/Y2O3	ZrO2/MgO	MgO	SiC	Si3N4 Reaction sintered	Si3N4 Hot pressed	ALN
Physical properties
Density (g/cm3)	3,9	5,9	5,75	3,58	3,2	3,27	3,29	3,26
Molecular weight (g/mole)	102	-	-	40,4	40,1	140	140	41
Maximum service temperature air (°C)	1700- 1800	1500	1000	2200	1500	1200- 1500	1100- 1600	1000- 1800
Mechanical properties
Hardness (Mohs)	9	-	-	5,5	9	-	-	7
Modulus of elasticity (GPa)	300-400	200	200	250-300	420	170-220	280-310	318
Poisson's ratio	0,25	-	-	0,18	0,14	0,25-0,26	0,27	0,25
Fracture toughness (MPa.m1/2)	2-3	7-13	6-10	-	2,5-3,5	3,5-5	6,1	4,5
Electrical properties
Dielectric constant	9-10	-	-	9-10	-	10	10	9,2
Electrical resistivity at 20°C (Ohm.cm)	>10 ₁₄	10 ₁₃-10 ₁₄	>10 ₁₀	-	10 ₂-10 ₆	>10 ₇	10 ₁₂- 10 ₁₅	>10 ₁₄
Dielectric strength (kV/mm)	10-20	9	2-10	-	-	-	-	15
Thermal properties
Specific heat (J/K/kg)	900	400-500	420	870-880	750	690	680-800	800
Thermal conductivity (W/m/K) at 20°C	26-35	2,2-3,2	1,5-2,5	40-50	63-155	9-30	15-43	180
Coefficient of thermal expansion ( 10-6) from 20 to 1000°C	8-9	10-11	5-16	10-13	4-5	3	3,3	4,4-5,3
Melting point (°C)	2050	2590	-	2800	2500	1900	1900	2200

Customization & Machining Service:
As a ceramic parts manufacturer,us offer a wide of the ceramic specification,and customized&machinables. Get a Quote On Your Customized Now!! or up a files by EMAIL.

Our Custom Capabilities:
1.High Purity Martoxid Powder
2.OEM Support, More Than 10 Technicians With 5-Year R&D Experience
3.35000 ㎡workshop, annual output could reach hundred million pieces.
4.All crafts are inspected strictly based on drawings,checked each month.
5.Best Service And Quick Delivery Via Fedex,DHL,UPS,TNT Etc.

Technical reference of manufacture
Dimensional accuracy	Up to 0.001mm
Concentricity	Up to 0.003mm
Parallelism	Up to 0.002mm
The inner hole tolerance	The minimum 0.005mm
Straight flute	The narrowest 0.1x100mm
The thickness of the size	Minimum to 0.02mm
The screw thread	Minimum internal thread M2
Cylindricity	Up to 0.004mm
The linear tolerance	Up to 0.001mm
The smallest aperture	The minimum 0.07mm
Precision process	CNC maching,grinding,lapping
Surface finish	Glazed,polishing or metallized

FAQ
1. Monthly Capacity: 50,000-60,000 pcs;
2. Material: OEM or as per your suggestion;
3. Lead time: about 7-20 days, pls confirm the quantities required;
4. Incoterm: FOB, CFR, CIF;
5. Delivery Cost: It is determinated by the destination port;
6. Payment Term: PayPal; T/T; L/C.
7. Shipment: by sea, by air, by courier, by post, etc.

Feedback
1. For any query or doubt, please contact us firstly, we will update with you soon;
2. For any other satisfaction, please also feedback to us, which could improve our service better and better.

For more information about ceramics parts,please contact our engineers in time >>>

Ejector Guide Pins Hardness Strength And Reduces Wear Molding Ceramic Ejector Guide Pin Rods

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