Assembly Lines

 

Assembly machines

 

Conveyorized Ovens

 

Test Equipments

 

Special machines

 

Post Curing Oven Yoke

Details

Purpose

The Conveyorised automatic Post-curing oven is to Cure the Starter Yoke along with Core to 240°C and maintain the same for the specified duration after pasting the Magnet inside the yoke using Glue.

Scope of supply

• Mechanical Structure with conveyor
• Heater with controller
• Ducting chamber
• Fixture to hold the starter yoke inside the oven
• PLC based sequence controller
• Electric control panel.
• Chiller to Bring down the component temperature.

Temperature range

100°C to 300°C. The component is inside the oven for 110 minutes 25 minutes for the component to reach 240 Deg Celsius and another 60 minutes at 240 Deg Celsius and 25 minutes from 240 Deg to Ambient.

Heaters & blower

Heaters are all of Infra-red Ceramic.
• A blower is fixed inside the oven to circulate the air.
• Heater is cartridge type and it is mounted on the top.
• Blower drive is mounted on the top.
• Air Chiller

Wall Insulation

• Insulation thickness is 75 mm for all sides of the walls with three sections
• Second level of insulation is sheet metal with the gap of 50 mm from the primary insulation to reduce the skin temperature of the Oven
• Skin Temperature of the machine is + 10°C of ambient
• Temperature at Loading area is not more than + 10°C of ambient
• Front doors compartmentalized. Rear door is full single. All doors are hinged in one side other sides with toggle clamps

Chain

• The length of the chain: 14 Meters
• Chain Type: Stainless steel 2” Pith Hollow pin type
• Sprockets: 11 No’s of 2 inch Sprockets with the Outer Diameter of 310 mm

Fixture

Component Locator in one side it is getting inserted to the chain and the other the receptor to hold the armature by the commutator side of the component.

Option for running mode

Optional Selector switch the operating mode from Continuous to Indexing mode is provided inside the panel

Auto switching on

7 day Programmable Time Switch is provided to start the heaters and blower at set time to keep ready the machine while starting the production

Mode selector (auto / manual)

• In Auto mode heater & Blower is automatically switched on irrespective of the input switches
• In Manual mode all independent operations except heater and blower

Conveyor chain

• Plumber block bearings is mounted on outside the heating zone
• Chain Lubrication is automatically done in set time intervals.
• Gear Motor is mounted at the rear side of the machine.

Cleaning tray

A removable cleaning tray is provided at the bottom for collecting the oil and sledges.

Safety

• Exhaust dampers port is provided with scale marking.
• The proper hood to prevent hot air flow on the operator should suck hot air at unloading area

Power failure

• Operator panel will have all indication lamps and it should be in right side visible to operator
• Power Panel will at the backside and position will be rigidly clamped.
• Wiring outside the panel will be routed properly with Metal conduit fixed or flexible pipes as required.
• Control panels will have the acrylic window on the doors so that all the components are visible
• Emergency button is available near operator panel.

Electrical power

• Incoming Power is protected with Earth Leakage Circuit Breaker
• RYB Indicator (Led Lamp)
• Voltmeter with Selector switch
• Single Phasing Preventer for the supply
• Backup Fuse HRC Type
• On/ Off Control by Selector switch
• Temperature control by PID Controller (OMRON Make) and SSR (ERI make)
• Blind Control for the safety of heaters
• Heater Failure indicator
• Ammeter with Selector Switch for individual zones
• Backup Fuse HRC Type

Blower motor

• On/ Off Push Button and Contactor, Over Load Relay
• 7 day programmable timer control for the auto Start

Conveyor motor

• On/ Off Push Button and Contactor
• Over Load Relay
• VFD for speed control with digital readout
• Indicator (LED lamp)

Interlockings

• Heaters will be switched On, only when the Blower is On.
• Blind Temperature Controller will control in case the Primary Controller fails.
• In Auto Mode, Conveyor will not start until the temperature reaches the set limit

Air cooler chiller

The Air cooler chiller is nothing but a chiller where the ambient air is taken inside the chilled air whose temperature is in the order of 15 degree is brought out. This cooled air is thrown on the component near the unloading area

Technical Specifications

No.	Specification	Details
The details are subject to change and customizable to orders.
1.	Number of Station	370 Loading points
2.	Number of Zone	• Temperature raise consist of 35 Stations • Curing consist of 202 stations • Cooling zone consists of 84 stations
3.	Curing Temperature	100 to 300 Deg Adjustable
4.	Component Temperature Consistent	• Maximum +/- 5 Deg Variation • Over Set temp for The Curing zone
5.	Loading Area temperature	Ambient + 10 Deg max
6.	Skin temperature	Ambient + 10 Deg Max
7.	Programming facility available	• Index Cycle time 17 Sec’s • Curing temperature : 100 to 200 Deg • Cycle time to suit your spec : 17 sec’s • Output per shift : 1700 Minimum
8.	Input Electrical supply	• Three phase 415 V AC with Neutral • Power required : 35 KW Max
9.	Equipment Floor Space	• Width : 3000 mm • Height : 1800 mm • Depdth : 2700 mm
10.	Output Quantity	Every component at 17 seconds
11.	Temperature Cycle Ambient to 240 Degree Celsius From 240 Deg to Ambient + 5 Deg	25 Minutes • 60 Minutes • 25 Minutes
12.	Components inside the Oven	370
13.	Chain	2 inch Pitch with K1 attachment
14.	Chain Position inside the Oven	Horizontal
15.	Oven Overall Dimensions	3000 mm Width X 2700 mm Depth X 1800 mm Height
16.	Insulation type and Thickness	Rockwool Glass Slabs 75 mm Thick + Sheet metal cover 50 mm apart.
17.	Conveyor Speed Control	Variable Frequency Drive (ABB Make).
18.	Indexing Time	17 Seconds.
19.	Conveyor Chain Length	21 Meters

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• Project by:
• Guruttam