{ "title": "E-Prep 4x™ Grinder/Polisher", "kind": "product", "company": "Allied High Tech Products", "category": "Lapping, honing & superfinishing", "parameters": { "Language": "English", "Captured": "2026-10-17", "Part numbers": "5-2450; 5-3735; 5-3740; 5-3745; 5-3750; 5-3755; 5-3760; 5-3765; 5-3700; 5-3X35-50; 5-3X40-50; 5-3X45-50; 5-3X50-50; 5-3X55-50" }, "language": "en", "source_url": "https://www.alliedhightech.com/Equipment/new-e-prep-4x%E2%84%A2-grinder-polisher", "content_html": "
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E-Prep 4x™ Grinder/Polisher with PH-4i™ Power Head

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The E-Prep 4x™ grinding and polishing machine, with the PH-4i™ power head, is a simple yet powerful system for semiautomatic operation, ideal for low to high volume sample preparation requirements. The user-friendly manual and touchpad interface makes it easy to adjust settings and operate. Basic controls allow quick changes to parameters such as sample force, cycle time, platen speed, and sample speed.

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Either standard or magnetic 8”/203 mm or 10”/254 mm platens may be used with any plain/adhesive backed or magnetic system disc.

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Standard/magnetic platens and sample holders are sold separately.

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Source video: View original video

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E-Prep 4 Grinder/Polisher

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Features

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E-Prep 4x

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Variable platen speed: 50 - 500 RPM (10 RPM Increments) Constructed with components precision machined from solid billet aluminum and stainless steel
Variable cycle time: 0:05-10:00 minutes (1 second increments) Molded one-piece corrosion resistant enclosure with overflow diversion to protect internal components
Powerful, quiet 0.6 HP (470 W) Brushless DC motor that provides constant high torque output throughout the speed range Quick-change platen design, anodized to resist wear and corrosion
Electronic coolant control with adjustable flow control valve 7\" (178 mm) color LCD touchscreen with intuitive interface to control all functions, with adjustable units (lbF/N)
Retractable coolant nozzle allows quick and easy sample/bowl cleaning Compatible with #5-37XX series sample holders
Emergency shut-off switch Compatible with #100-40020 Recirculation Filtration System
Two (2) year warranty Designed & manufactured by Allied in the USA
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PH-4i Power Head

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Individual force sample preparation of up to 4 mounts Variable sample rotation speeds: 0-150 RPM (10 RPM Increments) with complementary rotation
Unique tilt-up feature for easy access to platen and holder Simple push-button attachment and removal of sample holders
Quick-lock system to allow sample holder positioning across platen radius Complementary rotation
Variable sample force: 0-12 lb. in 1 lb. increments (0-55 N in 1 N increments) 0.33 HP (250 W) power head motor with durable reduction gearbox for constant high torque output 
Two (2) year warranty Designed & manufactured by Allied in the USA
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Item #Description
5-2450E-Prep 4x™ Grinder/Polisher with PH-4i™ Power Head for 8\" or 10” Platens, 100-240 V 50/60 Hz 1 Phase
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Product Accessories

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NOTE: Aluminum/Magnetic Platens, Sample Loading Fixtures & Holders are SOLD SEPARATELY. Please choose accessories from the list below to ensure a complete system is configured for quotation.

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Item #Description
5-3735Click to Enlarge »Sample Holder, (4) 1\" (25 mm) Mounts, Individual Force for use with PH-4™ Power Head
5-3740Click to Enlarge »Sample Holder, (4) 30 mm Mounts, Individual Force for use with PH-4™ Power Head
5-3745Click to Enlarge »Sample Holder, (4) 1¼\" (32 mm) Mounts, Individual Force for use with PH-4™ Power Head
5-3750Click to Enlarge »Sample Holder, (4) 1½\" (38 mm) Mounts, Individual Force for use with PH-4™ Power Head
5-3755Click to Enlarge »Sample Holder, (4) 40 mm Mounts, Individual Force for use with PH-4™ Power Head
5-3760Click to Enlarge »Sample Holder, (4) 50 mm Mounts, Individual Force for use with PH-4™ Power Head
5-3765Click to Enlarge »Sample Holder, (4) 2\" (51 mm) Mounts, Individual Force for use with PH-4™ Power Head
5-3700Click to Enlarge »Sample Holder, (4) Variable Diameter Mounts from 1” to 40 mm using corresponding Spacer Rings, Individual Force for use with PH-4™ Power Head
5-3X35-50Click to Enlarge »Individual Force Spacer Ring, for 1\"/25 mm Mount for use with 5-3700 Sample Holder
5-3X40-50\tClick to Enlarge »Individual Force Spacer Ring, for 30 mm Mount for use with 5-3700 Sample Holder
5-3X45-50Click to Enlarge »Individual Force Spacer Ring, for 1.25\" Mount for use with 5-3700 Sample Holder
5-3X50-50Click to Enlarge »Individual Force Spacer Ring, for 1.5\" mm Mount for use with 5-3700 Sample Holder
5-3X55-50Click to Enlarge »Individual Force Spacer Ring, for 40 mm Mount for use with 5-3700 Sample Holder
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Source documents

Related Allied records

These records share part numbers with this source page.

", "summary": "E-Prep 4x™ Grinder/Polisher with PH-4i™ Power Head The E-Prep 4x™ grinding and polishing machine, with the PH-4i™ power head, is a simple yet powerful system for semiautomatic operation, ideal for low to high volume sample preparation requirements. The user-friendly manual and touchpad interface makes it easy to adjust settings and operate. Basic controls allow quick changes to parameters such as sample force, cycle time, platen speed, and sample speed. Either standard or magnetic 8”/203 mm or…", "sections": [], "updated_at": "2026-10-17T21:12:06.592434+00:00" }